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Finding the Fourth Proportional to 83,305.08, 124,902.24 and 45,882.78

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Solution

The fourth proportional to 83,305.08, 124,902.24 and 45,882.78 is: 68,793.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,305.08 : 124,902.24 = 45,882.78 : x
  2. Step 2: Convert to fraction form
    83,305.08/124,902.24 = 45,882.78/x
  3. Step 3: Cross multiply
    83,305.08x = 124,902.24 × 45,882.78
  4. Step 4: Simplify right side
    83,305.08x = 5,730,861,999.43
  5. Step 5: Solve for x
    x = 5,730,861,999.43/83,305.08
  6. Step 6: Final answer
    x = 68,793.67

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