Finding the Fourth Proportional to 2,528.29, 3,792.25 and 1,123.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528.29 : 3,792.25 = 1,123.15 : x
2. Step 2: Convert to fraction form
   2,528.29/3,792.25 = 1,123.15/x
3. Step 3: Cross multiply
   2,528.29x = 3,792.25 × 1,123.15
4. Step 4: Simplify right side
   2,528.29x = 4,259,265.59
5. Step 5: Solve for x
   x = 4,259,265.59/2,528.29
6. Step 6: Final answer
   x = 1,684.64