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Finding the Fourth Proportional to 404,765.80, 607,221.60 and 168,132.40

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Solution

The fourth proportional to 404,765.80, 607,221.60 and 168,132.40 is: 252,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,765.80 : 607,221.60 = 168,132.40 : x
  2. Step 2: Convert to fraction form
    404,765.80/607,221.60 = 168,132.40/x
  3. Step 3: Cross multiply
    404,765.80x = 607,221.60 × 168,132.40
  4. Step 4: Simplify right side
    404,765.80x = 102,093,624,939.84
  5. Step 5: Solve for x
    x = 102,093,624,939.84/404,765.80
  6. Step 6: Final answer
    x = 252,228.88

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