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Finding the Fourth Proportional to 12,663.36, 18,996.48 and 5,736.96

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Solution

The fourth proportional to 12,663.36, 18,996.48 and 5,736.96 is: 8,606.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,663.36 : 18,996.48 = 5,736.96 : x
  2. Step 2: Convert to fraction form
    12,663.36/18,996.48 = 5,736.96/x
  3. Step 3: Cross multiply
    12,663.36x = 18,996.48 × 5,736.96
  4. Step 4: Simplify right side
    12,663.36x = 108,982,045.90
  5. Step 5: Solve for x
    x = 108,982,045.90/12,663.36
  6. Step 6: Final answer
    x = 8,606.09

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