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Finding the Fourth Proportional to 404,775.44, 607,145.16 and 138,559.76

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Solution

The fourth proportional to 404,775.44, 607,145.16 and 138,559.76 is: 207,833.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,775.44 : 607,145.16 = 138,559.76 : x
  2. Step 2: Convert to fraction form
    404,775.44/607,145.16 = 138,559.76/x
  3. Step 3: Cross multiply
    404,775.44x = 607,145.16 × 138,559.76
  4. Step 4: Simplify right side
    404,775.44x = 84,125,887,654.76
  5. Step 5: Solve for x
    x = 84,125,887,654.76/404,775.44
  6. Step 6: Final answer
    x = 207,833.48

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