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Finding the Fourth Proportional to 77,286.40, 115,929.87 and 27,366.52

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Solution

The fourth proportional to 77,286.40, 115,929.87 and 27,366.52 is: 41,049.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,286.40 : 115,929.87 = 27,366.52 : x
  2. Step 2: Convert to fraction form
    77,286.40/115,929.87 = 27,366.52/x
  3. Step 3: Cross multiply
    77,286.40x = 115,929.87 × 27,366.52
  4. Step 4: Simplify right side
    77,286.40x = 3,172,597,105.95
  5. Step 5: Solve for x
    x = 3,172,597,105.95/77,286.40
  6. Step 6: Final answer
    x = 41,049.88

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