Finding the Fourth Proportional to 1,174.29, 1,620.51 and 650.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174.29 : 1,620.51 = 650.31 : x
2. Step 2: Convert to fraction form
   1,174.29/1,620.51 = 650.31/x
3. Step 3: Cross multiply
   1,174.29x = 1,620.51 × 650.31
4. Step 4: Simplify right side
   1,174.29x = 1,053,833.86
5. Step 5: Solve for x
   x = 1,053,833.86/1,174.29
6. Step 6: Final answer
   x = 897.42