Finding the Fourth Proportional to 1,147.52, 1,583.59 and 650.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147.52 : 1,583.59 = 650.15 : x
2. Step 2: Convert to fraction form
   1,147.52/1,583.59 = 650.15/x
3. Step 3: Cross multiply
   1,147.52x = 1,583.59 × 650.15
4. Step 4: Simplify right side
   1,147.52x = 1,029,571.04
5. Step 5: Solve for x
   x = 1,029,571.04/1,147.52
6. Step 6: Final answer
   x = 897.21