Finding the Fourth Proportional to 1,792.28, 2,472.33 and 1,128.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,792.28 : 2,472.33 = 1,128.89 : x
2. Step 2: Convert to fraction form
   1,792.28/2,472.33 = 1,128.89/x
3. Step 3: Cross multiply
   1,792.28x = 2,472.33 × 1,128.89
4. Step 4: Simplify right side
   1,792.28x = 2,790,988.61
5. Step 5: Solve for x
   x = 2,790,988.61/1,792.28
6. Step 6: Final answer
   x = 1,557.23