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Finding the Fourth Proportional to 19,704.83, 27,192.66 and 12,631.27

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Solution

The fourth proportional to 19,704.83, 27,192.66 and 12,631.27 is: 17,431.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,704.83 : 27,192.66 = 12,631.27 : x
  2. Step 2: Convert to fraction form
    19,704.83/27,192.66 = 12,631.27/x
  3. Step 3: Cross multiply
    19,704.83x = 27,192.66 × 12,631.27
  4. Step 4: Simplify right side
    19,704.83x = 343,477,694.51
  5. Step 5: Solve for x
    x = 343,477,694.51/19,704.83
  6. Step 6: Final answer
    x = 17,431.14

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