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Finding the Fourth Proportional to 204,830.75, 307,297.97 and 57,086.75

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Solution

The fourth proportional to 204,830.75, 307,297.97 and 57,086.75 is: 85,644.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,830.75 : 307,297.97 = 57,086.75 : x
  2. Step 2: Convert to fraction form
    204,830.75/307,297.97 = 57,086.75/x
  3. Step 3: Cross multiply
    204,830.75x = 307,297.97 × 57,086.75
  4. Step 4: Simplify right side
    204,830.75x = 17,542,642,388.90
  5. Step 5: Solve for x
    x = 17,542,642,388.90/204,830.75
  6. Step 6: Final answer
    x = 85,644.57

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