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Finding the Fourth Proportional to 92,404.20, 138,606.30 and 88,775.40

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Solution

The fourth proportional to 92,404.20, 138,606.30 and 88,775.40 is: 133,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,404.20 : 138,606.30 = 88,775.40 : x
  2. Step 2: Convert to fraction form
    92,404.20/138,606.30 = 88,775.40/x
  3. Step 3: Cross multiply
    92,404.20x = 138,606.30 × 88,775.40
  4. Step 4: Simplify right side
    92,404.20x = 12,304,829,725.02
  5. Step 5: Solve for x
    x = 12,304,829,725.02/92,404.20
  6. Step 6: Final answer
    x = 133,163.10

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