Finding the Fourth Proportional to 1,174.35, 1,620.59 and 650.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174.35 : 1,620.59 = 650.38 : x
2. Step 2: Convert to fraction form
   1,174.35/1,620.59 = 650.38/x
3. Step 3: Cross multiply
   1,174.35x = 1,620.59 × 650.38
4. Step 4: Simplify right side
   1,174.35x = 1,053,999.32
5. Step 5: Solve for x
   x = 1,053,999.32/1,174.35
6. Step 6: Final answer
   x = 897.52