Finding the Fourth Proportional to 1,174.89, 1,621.33 and 650.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174.89 : 1,621.33 = 650.92 : x
2. Step 2: Convert to fraction form
   1,174.89/1,621.33 = 650.92/x
3. Step 3: Cross multiply
   1,174.89x = 1,621.33 × 650.92
4. Step 4: Simplify right side
   1,174.89x = 1,055,356.12
5. Step 5: Solve for x
   x = 1,055,356.12/1,174.89
6. Step 6: Final answer
   x = 898.26