Finding the Fourth Proportional to 2,256.14, 3,114.78 and 1,720.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256.14 : 3,114.78 = 1,720.82 : x
2. Step 2: Convert to fraction form
   2,256.14/3,114.78 = 1,720.82/x
3. Step 3: Cross multiply
   2,256.14x = 3,114.78 × 1,720.82
4. Step 4: Simplify right side
   2,256.14x = 5,359,975.72
5. Step 5: Solve for x
   x = 5,359,975.72/2,256.14
6. Step 6: Final answer
   x = 2,375.73