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Finding the Fourth Proportional to 19,161.52, 26,442.90 and 10,664.42

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Solution

The fourth proportional to 19,161.52, 26,442.90 and 10,664.42 is: 14,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161.52 : 26,442.90 = 10,664.42 : x
  2. Step 2: Convert to fraction form
    19,161.52/26,442.90 = 10,664.42/x
  3. Step 3: Cross multiply
    19,161.52x = 26,442.90 × 10,664.42
  4. Step 4: Simplify right side
    19,161.52x = 281,998,191.62
  5. Step 5: Solve for x
    x = 281,998,191.62/19,161.52
  6. Step 6: Final answer
    x = 14,716.90

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