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Finding the Fourth Proportional to 252,472.14, 378,707.09 and 102,711.20

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Solution

The fourth proportional to 252,472.14, 378,707.09 and 102,711.20 is: 154,066.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,472.14 : 378,707.09 = 102,711.20 : x
  2. Step 2: Convert to fraction form
    252,472.14/378,707.09 = 102,711.20/x
  3. Step 3: Cross multiply
    252,472.14x = 378,707.09 × 102,711.20
  4. Step 4: Simplify right side
    252,472.14x = 38,897,457,255.32
  5. Step 5: Solve for x
    x = 38,897,457,255.32/252,472.14
  6. Step 6: Final answer
    x = 154,066.33

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