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Finding the Fourth Proportional to 394,036.40, 591,054.60 and 236,442.80

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Solution

The fourth proportional to 394,036.40, 591,054.60 and 236,442.80 is: 354,664.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,036.40 : 591,054.60 = 236,442.80 : x
  2. Step 2: Convert to fraction form
    394,036.40/591,054.60 = 236,442.80/x
  3. Step 3: Cross multiply
    394,036.40x = 591,054.60 × 236,442.80
  4. Step 4: Simplify right side
    394,036.40x = 139,750,604,576.88
  5. Step 5: Solve for x
    x = 139,750,604,576.88/394,036.40
  6. Step 6: Final answer
    x = 354,664.20

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