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Finding the Fourth Proportional to 7,766.52, 10,717.74 and 4,229.70

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Solution

The fourth proportional to 7,766.52, 10,717.74 and 4,229.70 is: 5,836.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.52 : 10,717.74 = 4,229.70 : x
  2. Step 2: Convert to fraction form
    7,766.52/10,717.74 = 4,229.70/x
  3. Step 3: Cross multiply
    7,766.52x = 10,717.74 × 4,229.70
  4. Step 4: Simplify right side
    7,766.52x = 45,332,824.88
  5. Step 5: Solve for x
    x = 45,332,824.88/7,766.52
  6. Step 6: Final answer
    x = 5,836.95

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