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Finding the Fourth Proportional to 22,057.86, 30,440.44 and 12,629.46

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Solution

The fourth proportional to 22,057.86, 30,440.44 and 12,629.46 is: 17,428.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,057.86 : 30,440.44 = 12,629.46 : x
  2. Step 2: Convert to fraction form
    22,057.86/30,440.44 = 12,629.46/x
  3. Step 3: Cross multiply
    22,057.86x = 30,440.44 × 12,629.46
  4. Step 4: Simplify right side
    22,057.86x = 384,446,319.36
  5. Step 5: Solve for x
    x = 384,446,319.36/22,057.86
  6. Step 6: Final answer
    x = 17,428.99

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