Finding the Fourth Proportional to 3,792.59, 5,685.39 and 2,560.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,792.59 : 5,685.39 = 2,560.43 : x
2. Step 2: Convert to fraction form
   3,792.59/5,685.39 = 2,560.43/x
3. Step 3: Cross multiply
   3,792.59x = 5,685.39 × 2,560.43
4. Step 4: Simplify right side
   3,792.59x = 14,557,025.35
5. Step 5: Solve for x
   x = 14,557,025.35/3,792.59
6. Step 6: Final answer
   x = 3,838.28