Finding the Fourth Proportional to 5,517.25, 7,613.90 and 3,159.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,517.25 : 7,613.90 = 3,159.37 : x
2. Step 2: Convert to fraction form
   5,517.25/7,613.90 = 3,159.37/x
3. Step 3: Cross multiply
   5,517.25x = 7,613.90 × 3,159.37
4. Step 4: Simplify right side
   5,517.25x = 24,055,111.45
5. Step 5: Solve for x
   x = 24,055,111.45/5,517.25
6. Step 6: Final answer
   x = 4,359.99