Finding the Fourth Proportional to 1,147.61, 1,583.33 and 650.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,147.61 : 1,583.33 = 650.21 : x
2. Step 2: Convert to fraction form
   1,147.61/1,583.33 = 650.21/x
3. Step 3: Cross multiply
   1,147.61x = 1,583.33 × 650.21
4. Step 4: Simplify right side
   1,147.61x = 1,029,485.83
5. Step 5: Solve for x
   x = 1,029,485.83/1,147.61
6. Step 6: Final answer
   x = 897.07