Finding the Fourth Proportional to 2,549.15, 3,517.87 and 1,540.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,549.15 : 3,517.87 = 1,540.72 : x
2. Step 2: Convert to fraction form
   2,549.15/3,517.87 = 1,540.72/x
3. Step 3: Cross multiply
   2,549.15x = 3,517.87 × 1,540.72
4. Step 4: Simplify right side
   2,549.15x = 5,420,060.43
5. Step 5: Solve for x
   x = 5,420,060.43/2,549.15
6. Step 6: Final answer
   x = 2,126.22