Finding the Fourth Proportional to 2,577.32, 3,868.47 and 2,517.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,577.32 : 3,868.47 = 2,517.24 : x
2. Step 2: Convert to fraction form
   2,577.32/3,868.47 = 2,517.24/x
3. Step 3: Cross multiply
   2,577.32x = 3,868.47 × 2,517.24
4. Step 4: Simplify right side
   2,577.32x = 9,737,867.42
5. Step 5: Solve for x
   x = 9,737,867.42/2,577.32
6. Step 6: Final answer
   x = 3,778.30