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Finding the Fourth Proportional to 22,128.48, 33,162.48 and 11,719.44

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Solution

The fourth proportional to 22,128.48, 33,162.48 and 11,719.44 is: 17,563.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128.48 : 33,162.48 = 11,719.44 : x
  2. Step 2: Convert to fraction form
    22,128.48/33,162.48 = 11,719.44/x
  3. Step 3: Cross multiply
    22,128.48x = 33,162.48 × 11,719.44
  4. Step 4: Simplify right side
    22,128.48x = 388,645,694.61
  5. Step 5: Solve for x
    x = 388,645,694.61/22,128.48
  6. Step 6: Final answer
    x = 17,563.14

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