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Finding the Fourth Proportional to 591,320.80, 886,786.80 and 217,295.20

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Solution

The fourth proportional to 591,320.80, 886,786.80 and 217,295.20 is: 325,871.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,320.80 : 886,786.80 = 217,295.20 : x
  2. Step 2: Convert to fraction form
    591,320.80/886,786.80 = 217,295.20/x
  3. Step 3: Cross multiply
    591,320.80x = 886,786.80 × 217,295.20
  4. Step 4: Simplify right side
    591,320.80x = 192,694,515,063.36
  5. Step 5: Solve for x
    x = 192,694,515,063.36/591,320.80
  6. Step 6: Final answer
    x = 325,871.36

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