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Finding the Fourth Proportional to 75,908.90, 104,751.60 and 41,916.80

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Solution

The fourth proportional to 75,908.90, 104,751.60 and 41,916.80 is: 57,843.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,908.90 : 104,751.60 = 41,916.80 : x
  2. Step 2: Convert to fraction form
    75,908.90/104,751.60 = 41,916.80/x
  3. Step 3: Cross multiply
    75,908.90x = 104,751.60 × 41,916.80
  4. Step 4: Simplify right side
    75,908.90x = 4,390,851,866.88
  5. Step 5: Solve for x
    x = 4,390,851,866.88/75,908.90
  6. Step 6: Final answer
    x = 57,843.70

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