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Finding the Fourth Proportional to 71,906.50, 99,231.30 and 41,709.70

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Solution

The fourth proportional to 71,906.50, 99,231.30 and 41,709.70 is: 57,559.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,906.50 : 99,231.30 = 41,709.70 : x
  2. Step 2: Convert to fraction form
    71,906.50/99,231.30 = 41,709.70/x
  3. Step 3: Cross multiply
    71,906.50x = 99,231.30 × 41,709.70
  4. Step 4: Simplify right side
    71,906.50x = 4,138,907,753.61
  5. Step 5: Solve for x
    x = 4,138,907,753.61/71,906.50
  6. Step 6: Final answer
    x = 57,559.58

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