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Finding the Fourth Proportional to 262,919.44, 394,083.06 and 129,517.12

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Solution

The fourth proportional to 262,919.44, 394,083.06 and 129,517.12 is: 194,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,919.44 : 394,083.06 = 129,517.12 : x
  2. Step 2: Convert to fraction form
    262,919.44/394,083.06 = 129,517.12/x
  3. Step 3: Cross multiply
    262,919.44x = 394,083.06 × 129,517.12
  4. Step 4: Simplify right side
    262,919.44x = 51,040,502,971.99
  5. Step 5: Solve for x
    x = 51,040,502,971.99/262,919.44
  6. Step 6: Final answer
    x = 194,129.82

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