Finding the Fourth Proportional to 2,256.40, 3,380.94 and 1,159.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256.40 : 3,380.94 = 1,159.24 : x
2. Step 2: Convert to fraction form
   2,256.40/3,380.94 = 1,159.24/x
3. Step 3: Cross multiply
   2,256.40x = 3,380.94 × 1,159.24
4. Step 4: Simplify right side
   2,256.40x = 3,919,320.89
5. Step 5: Solve for x
   x = 3,919,320.89/2,256.40
6. Step 6: Final answer
   x = 1,736.98