Finding the Fourth Proportional to 2,792.55, 3,880.43 and 2,762.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,792.55 : 3,880.43 = 2,762.17 : x
2. Step 2: Convert to fraction form
   2,792.55/3,880.43 = 2,762.17/x
3. Step 3: Cross multiply
   2,792.55x = 3,880.43 × 2,762.17
4. Step 4: Simplify right side
   2,792.55x = 10,718,407.33
5. Step 5: Solve for x
   x = 10,718,407.33/2,792.55
6. Step 6: Final answer
   x = 3,838.22