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Finding the Fourth Proportional to 34,906.86, 52,330.66 and 13,861.70

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Solution

The fourth proportional to 34,906.86, 52,330.66 and 13,861.70 is: 20,780.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,906.86 : 52,330.66 = 13,861.70 : x
  2. Step 2: Convert to fraction form
    34,906.86/52,330.66 = 13,861.70/x
  3. Step 3: Cross multiply
    34,906.86x = 52,330.66 × 13,861.70
  4. Step 4: Simplify right side
    34,906.86x = 725,391,909.72
  5. Step 5: Solve for x
    x = 725,391,909.72/34,906.86
  6. Step 6: Final answer
    x = 20,780.78

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