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Finding the Fourth Proportional to 99,306.14, 137,034.32 and 58,463.78

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Solution

The fourth proportional to 99,306.14, 137,034.32 and 58,463.78 is: 80,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,306.14 : 137,034.32 = 58,463.78 : x
  2. Step 2: Convert to fraction form
    99,306.14/137,034.32 = 58,463.78/x
  3. Step 3: Cross multiply
    99,306.14x = 137,034.32 × 58,463.78
  4. Step 4: Simplify right side
    99,306.14x = 8,011,544,336.93
  5. Step 5: Solve for x
    x = 8,011,544,336.93/99,306.14
  6. Step 6: Final answer
    x = 80,675.22

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