Finding the Fourth Proportional to 1,174.69, 1,621.10 and 650.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174.69 : 1,621.10 = 650.75 : x
2. Step 2: Convert to fraction form
   1,174.69/1,621.10 = 650.75/x
3. Step 3: Cross multiply
   1,174.69x = 1,621.10 × 650.75
4. Step 4: Simplify right side
   1,174.69x = 1,054,930.83
5. Step 5: Solve for x
   x = 1,054,930.83/1,174.69
6. Step 6: Final answer
   x = 898.05