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Finding the Fourth Proportional to 186,711.20, 280,028.12 and 53,561.84

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Solution

The fourth proportional to 186,711.20, 280,028.12 and 53,561.84 is: 80,331.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,711.20 : 280,028.12 = 53,561.84 : x
  2. Step 2: Convert to fraction form
    186,711.20/280,028.12 = 53,561.84/x
  3. Step 3: Cross multiply
    186,711.20x = 280,028.12 × 53,561.84
  4. Step 4: Simplify right side
    186,711.20x = 14,998,821,358.94
  5. Step 5: Solve for x
    x = 14,998,821,358.94/186,711.20
  6. Step 6: Final answer
    x = 80,331.66

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