Finding the Fourth Proportional to 2,049.68, 2,826.32 and 1,385.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,049.68 : 2,826.32 = 1,385.38 : x
2. Step 2: Convert to fraction form
   2,049.68/2,826.32 = 1,385.38/x
3. Step 3: Cross multiply
   2,049.68x = 2,826.32 × 1,385.38
4. Step 4: Simplify right side
   2,049.68x = 3,915,527.20
5. Step 5: Solve for x
   x = 3,915,527.20/2,049.68
6. Step 6: Final answer
   x = 1,910.31