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Finding the Fourth Proportional to 408,768.28, 613,244.66 and 124,484.28

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Solution

The fourth proportional to 408,768.28, 613,244.66 and 124,484.28 is: 186,754.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,768.28 : 613,244.66 = 124,484.28 : x
  2. Step 2: Convert to fraction form
    408,768.28/613,244.66 = 124,484.28/x
  3. Step 3: Cross multiply
    408,768.28x = 613,244.66 × 124,484.28
  4. Step 4: Simplify right side
    408,768.28x = 76,339,319,963.94
  5. Step 5: Solve for x
    x = 76,339,319,963.94/408,768.28
  6. Step 6: Final answer
    x = 186,754.51

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