Finding the Fourth Proportional to 3,123.72, 4,310.82 and 1,726.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123.72 : 4,310.82 = 1,726.52 : x
2. Step 2: Convert to fraction form
   3,123.72/4,310.82 = 1,726.52/x
3. Step 3: Cross multiply
   3,123.72x = 4,310.82 × 1,726.52
4. Step 4: Simplify right side
   3,123.72x = 7,442,716.95
5. Step 5: Solve for x
   x = 7,442,716.95/3,123.72
6. Step 6: Final answer
   x = 2,382.65