Finding the Fourth Proportional to 1,174.05, 1,620.05 and 650.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174.05 : 1,620.05 = 650.07 : x
2. Step 2: Convert to fraction form
   1,174.05/1,620.05 = 650.07/x
3. Step 3: Cross multiply
   1,174.05x = 1,620.05 × 650.07
4. Step 4: Simplify right side
   1,174.05x = 1,053,142.65
5. Step 5: Solve for x
   x = 1,053,142.65/1,174.05
6. Step 6: Final answer
   x = 897.02