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Finding the Fourth Proportional to 456,850.80, 685,276.20 and 124,426.80

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Solution

The fourth proportional to 456,850.80, 685,276.20 and 124,426.80 is: 186,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,850.80 : 685,276.20 = 124,426.80 : x
  2. Step 2: Convert to fraction form
    456,850.80/685,276.20 = 124,426.80/x
  3. Step 3: Cross multiply
    456,850.80x = 685,276.20 × 124,426.80
  4. Step 4: Simplify right side
    456,850.80x = 85,266,724,682.16
  5. Step 5: Solve for x
    x = 85,266,724,682.16/456,850.80
  6. Step 6: Final answer
    x = 186,640.20

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