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Finding the Fourth Proportional to 394,474.29, 591,848.81 and 124,643.60

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Solution

The fourth proportional to 394,474.29, 591,848.81 and 124,643.60 is: 187,008.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,474.29 : 591,848.81 = 124,643.60 : x
  2. Step 2: Convert to fraction form
    394,474.29/591,848.81 = 124,643.60/x
  3. Step 3: Cross multiply
    394,474.29x = 591,848.81 × 124,643.60
  4. Step 4: Simplify right side
    394,474.29x = 73,770,166,334.12
  5. Step 5: Solve for x
    x = 73,770,166,334.12/394,474.29
  6. Step 6: Final answer
    x = 187,008.81

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