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Finding the Fourth Proportional to 98,268.78, 135,611.04 and 53,556.78

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Solution

The fourth proportional to 98,268.78, 135,611.04 and 53,556.78 is: 73,908.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,268.78 : 135,611.04 = 53,556.78 : x
  2. Step 2: Convert to fraction form
    98,268.78/135,611.04 = 53,556.78/x
  3. Step 3: Cross multiply
    98,268.78x = 135,611.04 × 53,556.78
  4. Step 4: Simplify right side
    98,268.78x = 7,262,890,634.85
  5. Step 5: Solve for x
    x = 7,262,890,634.85/98,268.78
  6. Step 6: Final answer
    x = 73,908.42

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