Finding the Fourth Proportional to 3,123.52, 4,310.72 and 1,726.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123.52 : 4,310.72 = 1,726.56 : x
2. Step 2: Convert to fraction form
   3,123.52/4,310.72 = 1,726.56/x
3. Step 3: Cross multiply
   3,123.52x = 4,310.72 × 1,726.56
4. Step 4: Simplify right side
   3,123.52x = 7,442,716.72
5. Step 5: Solve for x
   x = 7,442,716.72/3,123.52
6. Step 6: Final answer
   x = 2,382.80