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Finding the Fourth Proportional to 13,057.92, 19,549.56 and 12,230.28

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Solution

The fourth proportional to 13,057.92, 19,549.56 and 12,230.28 is: 18,310.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.92 : 19,549.56 = 12,230.28 : x
  2. Step 2: Convert to fraction form
    13,057.92/19,549.56 = 12,230.28/x
  3. Step 3: Cross multiply
    13,057.92x = 19,549.56 × 12,230.28
  4. Step 4: Simplify right side
    13,057.92x = 239,096,592.68
  5. Step 5: Solve for x
    x = 239,096,592.68/13,057.92
  6. Step 6: Final answer
    x = 18,310.47

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