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Finding the Fourth Proportional to 322,571.06, 483,907.62 and 85,932.80

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Solution

The fourth proportional to 322,571.06, 483,907.62 and 85,932.80 is: 128,912.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,571.06 : 483,907.62 = 85,932.80 : x
  2. Step 2: Convert to fraction form
    322,571.06/483,907.62 = 85,932.80/x
  3. Step 3: Cross multiply
    322,571.06x = 483,907.62 × 85,932.80
  4. Step 4: Simplify right side
    322,571.06x = 41,583,536,727.94
  5. Step 5: Solve for x
    x = 41,583,536,727.94/322,571.06
  6. Step 6: Final answer
    x = 128,912.79

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