Finding the Fourth Proportional to 2,256.79, 3,114.15 and 1,261.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256.79 : 3,114.15 = 1,261.93 : x
2. Step 2: Convert to fraction form
   2,256.79/3,114.15 = 1,261.93/x
3. Step 3: Cross multiply
   2,256.79x = 3,114.15 × 1,261.93
4. Step 4: Simplify right side
   2,256.79x = 3,929,839.31
5. Step 5: Solve for x
   x = 3,929,839.31/2,256.79
6. Step 6: Final answer
   x = 1,741.34