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Finding the Fourth Proportional to 362,712.80, 544,069.20 and 126,079.40

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Solution

The fourth proportional to 362,712.80, 544,069.20 and 126,079.40 is: 189,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,712.80 : 544,069.20 = 126,079.40 : x
  2. Step 2: Convert to fraction form
    362,712.80/544,069.20 = 126,079.40/x
  3. Step 3: Cross multiply
    362,712.80x = 544,069.20 × 126,079.40
  4. Step 4: Simplify right side
    362,712.80x = 68,595,918,294.48
  5. Step 5: Solve for x
    x = 68,595,918,294.48/362,712.80
  6. Step 6: Final answer
    x = 189,119.10

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