Finding the Fourth Proportional to 2,256.59, 3,114.09 and 1,372.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256.59 : 3,114.09 = 1,372.38 : x
2. Step 2: Convert to fraction form
   2,256.59/3,114.09 = 1,372.38/x
3. Step 3: Cross multiply
   2,256.59x = 3,114.09 × 1,372.38
4. Step 4: Simplify right side
   2,256.59x = 4,273,714.83
5. Step 5: Solve for x
   x = 4,273,714.83/2,256.59
6. Step 6: Final answer
   x = 1,893.89