Finding the Fourth Proportional to 1,150.49, 1,587.71 and 653.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.49 : 1,587.71 = 653.12 : x
2. Step 2: Convert to fraction form
   1,150.49/1,587.71 = 653.12/x
3. Step 3: Cross multiply
   1,150.49x = 1,587.71 × 653.12
4. Step 4: Simplify right side
   1,150.49x = 1,036,965.16
5. Step 5: Solve for x
   x = 1,036,965.16/1,150.49
6. Step 6: Final answer
   x = 901.32