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Finding the Fourth Proportional to 12,796.02, 19,158.18 and 9,666.18

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Solution

The fourth proportional to 12,796.02, 19,158.18 and 9,666.18 is: 14,472.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796.02 : 19,158.18 = 9,666.18 : x
  2. Step 2: Convert to fraction form
    12,796.02/19,158.18 = 9,666.18/x
  3. Step 3: Cross multiply
    12,796.02x = 19,158.18 × 9,666.18
  4. Step 4: Simplify right side
    12,796.02x = 185,186,416.35
  5. Step 5: Solve for x
    x = 185,186,416.35/12,796.02
  6. Step 6: Final answer
    x = 14,472.19

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