Finding the Fourth Proportional to 2,256.32, 3,113.98 and 1,261.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256.32 : 3,113.98 = 1,261.85 : x
2. Step 2: Convert to fraction form
   2,256.32/3,113.98 = 1,261.85/x
3. Step 3: Cross multiply
   2,256.32x = 3,113.98 × 1,261.85
4. Step 4: Simplify right side
   2,256.32x = 3,929,356.94
5. Step 5: Solve for x
   x = 3,929,356.94/2,256.32
6. Step 6: Final answer
   x = 1,741.49