Finding the Fourth Proportional to 2,411.26, 3,617.32 and 852.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.26 : 3,617.32 = 852.17 : x
2. Step 2: Convert to fraction form
   2,411.26/3,617.32 = 852.17/x
3. Step 3: Cross multiply
   2,411.26x = 3,617.32 × 852.17
4. Step 4: Simplify right side
   2,411.26x = 3,082,573.31
5. Step 5: Solve for x
   x = 3,082,573.31/2,411.26
6. Step 6: Final answer
   x = 1,278.41