Finding the Fourth Proportional to 1,174.96, 1,621.41 and 650.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174.96 : 1,621.41 = 650.98 : x
2. Step 2: Convert to fraction form
   1,174.96/1,621.41 = 650.98/x
3. Step 3: Cross multiply
   1,174.96x = 1,621.41 × 650.98
4. Step 4: Simplify right side
   1,174.96x = 1,055,505.48
5. Step 5: Solve for x
   x = 1,055,505.48/1,174.96
6. Step 6: Final answer
   x = 898.33