Finding the Fourth Proportional to 1,174.06, 1,620.18 and 650.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174.06 : 1,620.18 = 650.10 : x
2. Step 2: Convert to fraction form
   1,174.06/1,620.18 = 650.10/x
3. Step 3: Cross multiply
   1,174.06x = 1,620.18 × 650.10
4. Step 4: Simplify right side
   1,174.06x = 1,053,279.02
5. Step 5: Solve for x
   x = 1,053,279.02/1,174.06
6. Step 6: Final answer
   x = 897.13