Finding the Fourth Proportional to 1,174.82, 1,621.28 and 650.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174.82 : 1,621.28 = 650.89 : x
2. Step 2: Convert to fraction form
   1,174.82/1,621.28 = 650.89/x
3. Step 3: Cross multiply
   1,174.82x = 1,621.28 × 650.89
4. Step 4: Simplify right side
   1,174.82x = 1,055,274.94
5. Step 5: Solve for x
   x = 1,055,274.94/1,174.82
6. Step 6: Final answer
   x = 898.24