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Finding the Fourth Proportional to 404,900.40, 607,350.60 and 124,381.20

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Solution

The fourth proportional to 404,900.40, 607,350.60 and 124,381.20 is: 186,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,900.40 : 607,350.60 = 124,381.20 : x
  2. Step 2: Convert to fraction form
    404,900.40/607,350.60 = 124,381.20/x
  3. Step 3: Cross multiply
    404,900.40x = 607,350.60 × 124,381.20
  4. Step 4: Simplify right side
    404,900.40x = 75,542,996,448.72
  5. Step 5: Solve for x
    x = 75,542,996,448.72/404,900.40
  6. Step 6: Final answer
    x = 186,571.80

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