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Finding the Fourth Proportional to 110,618.40, 165,745.20 and 63,789.60

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Solution

The fourth proportional to 110,618.40, 165,745.20 and 63,789.60 is: 95,579.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,618.40 : 165,745.20 = 63,789.60 : x
  2. Step 2: Convert to fraction form
    110,618.40/165,745.20 = 63,789.60/x
  3. Step 3: Cross multiply
    110,618.40x = 165,745.20 × 63,789.60
  4. Step 4: Simplify right side
    110,618.40x = 10,572,820,009.92
  5. Step 5: Solve for x
    x = 10,572,820,009.92/110,618.40
  6. Step 6: Final answer
    x = 95,579.22

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