Finding the Fourth Proportional to 1,174.84, 1,621.29 and 650.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174.84 : 1,621.29 = 650.89 : x
2. Step 2: Convert to fraction form
   1,174.84/1,621.29 = 650.89/x
3. Step 3: Cross multiply
   1,174.84x = 1,621.29 × 650.89
4. Step 4: Simplify right side
   1,174.84x = 1,055,281.45
5. Step 5: Solve for x
   x = 1,055,281.45/1,174.84
6. Step 6: Final answer
   x = 898.23