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Finding the Fourth Proportional to 362,418.80, 543,628.20 and 236,447.60

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Solution

The fourth proportional to 362,418.80, 543,628.20 and 236,447.60 is: 354,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,418.80 : 543,628.20 = 236,447.60 : x
  2. Step 2: Convert to fraction form
    362,418.80/543,628.20 = 236,447.60/x
  3. Step 3: Cross multiply
    362,418.80x = 543,628.20 × 236,447.60
  4. Step 4: Simplify right side
    362,418.80x = 128,539,583,182.32
  5. Step 5: Solve for x
    x = 128,539,583,182.32/362,418.80
  6. Step 6: Final answer
    x = 354,671.40

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