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Finding the Fourth Proportional to 19,648.17, 29,472.56 and 10,938.44

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Solution

The fourth proportional to 19,648.17, 29,472.56 and 10,938.44 is: 16,407.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,648.17 : 29,472.56 = 10,938.44 : x
  2. Step 2: Convert to fraction form
    19,648.17/29,472.56 = 10,938.44/x
  3. Step 3: Cross multiply
    19,648.17x = 29,472.56 × 10,938.44
  4. Step 4: Simplify right side
    19,648.17x = 322,383,889.21
  5. Step 5: Solve for x
    x = 322,383,889.21/19,648.17
  6. Step 6: Final answer
    x = 16,407.83

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