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Finding the Fourth Proportional to 13,192.34, 19,789.11 and 7,344.54

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Solution

The fourth proportional to 13,192.34, 19,789.11 and 7,344.54 is: 11,017.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.34 : 19,789.11 = 7,344.54 : x
  2. Step 2: Convert to fraction form
    13,192.34/19,789.11 = 7,344.54/x
  3. Step 3: Cross multiply
    13,192.34x = 19,789.11 × 7,344.54
  4. Step 4: Simplify right side
    13,192.34x = 145,341,909.96
  5. Step 5: Solve for x
    x = 145,341,909.96/13,192.34
  6. Step 6: Final answer
    x = 11,017.15

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