Finding the Fourth Proportional to 1,150.53, 1,587.49 and 653.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.53 : 1,587.49 = 653.05 : x
2. Step 2: Convert to fraction form
   1,150.53/1,587.49 = 653.05/x
3. Step 3: Cross multiply
   1,150.53x = 1,587.49 × 653.05
4. Step 4: Simplify right side
   1,150.53x = 1,036,710.34
5. Step 5: Solve for x
   x = 1,036,710.34/1,150.53
6. Step 6: Final answer
   x = 901.07