Finding the Fourth Proportional to 2,758.86, 3,807.23 and 2,549.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,758.86 : 3,807.23 = 2,549.57 : x
2. Step 2: Convert to fraction form
   2,758.86/3,807.23 = 2,549.57/x
3. Step 3: Cross multiply
   2,758.86x = 3,807.23 × 2,549.57
4. Step 4: Simplify right side
   2,758.86x = 9,706,767.61
5. Step 5: Solve for x
   x = 9,706,767.61/2,758.86
6. Step 6: Final answer
   x = 3,518.40