Finding the Fourth Proportional to 2,256.75, 3,114.32 and 1,372.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256.75 : 3,114.32 = 1,372.39 : x
2. Step 2: Convert to fraction form
   2,256.75/3,114.32 = 1,372.39/x
3. Step 3: Cross multiply
   2,256.75x = 3,114.32 × 1,372.39
4. Step 4: Simplify right side
   2,256.75x = 4,274,046.98
5. Step 5: Solve for x
   x = 4,274,046.98/2,256.75
6. Step 6: Final answer
   x = 1,893.89