Finding the Fourth Proportional to 2,047.35, 2,826.30 and 1,385.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.35 : 2,826.30 = 1,385.27 : x
2. Step 2: Convert to fraction form
   2,047.35/2,826.30 = 1,385.27/x
3. Step 3: Cross multiply
   2,047.35x = 2,826.30 × 1,385.27
4. Step 4: Simplify right side
   2,047.35x = 3,915,200.86
5. Step 5: Solve for x
   x = 3,915,200.86/2,047.35
6. Step 6: Final answer
   x = 1,912.33