Finding the Fourth Proportional to 3,123.72, 4,310.68 and 1,726.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123.72 : 4,310.68 = 1,726.46 : x
2. Step 2: Convert to fraction form
   3,123.72/4,310.68 = 1,726.46/x
3. Step 3: Cross multiply
   3,123.72x = 4,310.68 × 1,726.46
4. Step 4: Simplify right side
   3,123.72x = 7,442,216.59
5. Step 5: Solve for x
   x = 7,442,216.59/3,123.72
6. Step 6: Final answer
   x = 2,382.49