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Finding the Fourth Proportional to 362,640.78, 543,961.08 and 113,322.78

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Solution

The fourth proportional to 362,640.78, 543,961.08 and 113,322.78 is: 169,984.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,640.78 : 543,961.08 = 113,322.78 : x
  2. Step 2: Convert to fraction form
    362,640.78/543,961.08 = 113,322.78/x
  3. Step 3: Cross multiply
    362,640.78x = 543,961.08 × 113,322.78
  4. Step 4: Simplify right side
    362,640.78x = 61,643,181,797.40
  5. Step 5: Solve for x
    x = 61,643,181,797.40/362,640.78
  6. Step 6: Final answer
    x = 169,984.14

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