Finding the Fourth Proportional to 3,401.88, 5,098.23 and 2,577.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.88 : 5,098.23 = 2,577.57 : x
2. Step 2: Convert to fraction form
   3,401.88/5,098.23 = 2,577.57/x
3. Step 3: Cross multiply
   3,401.88x = 5,098.23 × 2,577.57
4. Step 4: Simplify right side
   3,401.88x = 13,141,044.70
5. Step 5: Solve for x
   x = 13,141,044.70/3,401.88
6. Step 6: Final answer
   x = 3,862.88