Finding the Fourth Proportional to 2,658.72, 3,669.10 and 1,540.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658.72 : 3,669.10 = 1,540.04 : x
2. Step 2: Convert to fraction form
   2,658.72/3,669.10 = 1,540.04/x
3. Step 3: Cross multiply
   2,658.72x = 3,669.10 × 1,540.04
4. Step 4: Simplify right side
   2,658.72x = 5,650,560.76
5. Step 5: Solve for x
   x = 5,650,560.76/2,658.72
6. Step 6: Final answer
   x = 2,125.29