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Finding the Fourth Proportional to 8,866.78, 13,299.15 and 2,292.46

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Solution

The fourth proportional to 8,866.78, 13,299.15 and 2,292.46 is: 3,438.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.78 : 13,299.15 = 2,292.46 : x
  2. Step 2: Convert to fraction form
    8,866.78/13,299.15 = 2,292.46/x
  3. Step 3: Cross multiply
    8,866.78x = 13,299.15 × 2,292.46
  4. Step 4: Simplify right side
    8,866.78x = 30,487,769.41
  5. Step 5: Solve for x
    x = 30,487,769.41/8,866.78
  6. Step 6: Final answer
    x = 3,438.43

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