Finding the Fourth Proportional to 3,793.86, 5,691.94 and 1,328.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,793.86 : 5,691.94 = 1,328.69 : x
2. Step 2: Convert to fraction form
   3,793.86/5,691.94 = 1,328.69/x
3. Step 3: Cross multiply
   3,793.86x = 5,691.94 × 1,328.69
4. Step 4: Simplify right side
   3,793.86x = 7,562,834.67
5. Step 5: Solve for x
   x = 7,562,834.67/3,793.86
6. Step 6: Final answer
   x = 1,993.44