Finding the Fourth Proportional to 3,401.38, 5,097.48 and 2,577.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.38 : 5,097.48 = 2,577.07 : x
2. Step 2: Convert to fraction form
   3,401.38/5,097.48 = 2,577.07/x
3. Step 3: Cross multiply
   3,401.38x = 5,097.48 × 2,577.07
4. Step 4: Simplify right side
   3,401.38x = 13,136,562.78
5. Step 5: Solve for x
   x = 13,136,562.78/3,401.38
6. Step 6: Final answer
   x = 3,862.13