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Finding the Fourth Proportional to 19,686.72, 27,167.88 and 10,734.24

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Solution

The fourth proportional to 19,686.72, 27,167.88 and 10,734.24 is: 14,813.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.72 : 27,167.88 = 10,734.24 : x
  2. Step 2: Convert to fraction form
    19,686.72/27,167.88 = 10,734.24/x
  3. Step 3: Cross multiply
    19,686.72x = 27,167.88 × 10,734.24
  4. Step 4: Simplify right side
    19,686.72x = 291,626,544.21
  5. Step 5: Solve for x
    x = 291,626,544.21/19,686.72
  6. Step 6: Final answer
    x = 14,813.36

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