Finding the Fourth Proportional to 2,256.52, 3,384.70 and 717.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256.52 : 3,384.70 = 717.56 : x
2. Step 2: Convert to fraction form
   2,256.52/3,384.70 = 717.56/x
3. Step 3: Cross multiply
   2,256.52x = 3,384.70 × 717.56
4. Step 4: Simplify right side
   2,256.52x = 2,428,725.33
5. Step 5: Solve for x
   x = 2,428,725.33/2,256.52
6. Step 6: Final answer
   x = 1,076.31