Finding the Fourth Proportional to 91,757.31, 137,566.69 and 60,175.33

Step by Step Solution

1. Step 1: Write the proportion equation
   91,757.31 : 137,566.69 = 60,175.33 : x
2. Step 2: Convert to fraction form
   91,757.31/137,566.69 = 60,175.33/x
3. Step 3: Cross multiply
   91,757.31x = 137,566.69 × 60,175.33
4. Step 4: Simplify right side
   91,757.31x = 8,278,120,279.92
5. Step 5: Solve for x
   x = 8,278,120,279.92/91,757.31
6. Step 6: Final answer
   x = 90,217.56