Finding the Fourth Proportional to 1,150.72, 1,587.92 and 653.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.72 : 1,587.92 = 653.32 : x
2. Step 2: Convert to fraction form
   1,150.72/1,587.92 = 653.32/x
3. Step 3: Cross multiply
   1,150.72x = 1,587.92 × 653.32
4. Step 4: Simplify right side
   1,150.72x = 1,037,419.89
5. Step 5: Solve for x
   x = 1,037,419.89/1,150.72
6. Step 6: Final answer
   x = 901.54