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Finding the Fourth Proportional to 104,715.80, 157,073.70 and 64,857.73

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Solution

The fourth proportional to 104,715.80, 157,073.70 and 64,857.73 is: 97,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,715.80 : 157,073.70 = 64,857.73 : x
  2. Step 2: Convert to fraction form
    104,715.80/157,073.70 = 64,857.73/x
  3. Step 3: Cross multiply
    104,715.80x = 157,073.70 × 64,857.73
  4. Step 4: Simplify right side
    104,715.80x = 10,187,443,624.70
  5. Step 5: Solve for x
    x = 10,187,443,624.70/104,715.80
  6. Step 6: Final answer
    x = 97,286.60

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