Finding the Fourth Proportional to 1,151.52, 1,589.22 and 654.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151.52 : 1,589.22 = 654.28 : x
2. Step 2: Convert to fraction form
   1,151.52/1,589.22 = 654.28/x
3. Step 3: Cross multiply
   1,151.52x = 1,589.22 × 654.28
4. Step 4: Simplify right side
   1,151.52x = 1,039,790.89
5. Step 5: Solve for x
   x = 1,039,790.89/1,151.52
6. Step 6: Final answer
   x = 902.98