Finding the Fourth Proportional to 2,793.16, 3,851.31 and 2,321.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,793.16 : 3,851.31 = 2,321.61 : x
2. Step 2: Convert to fraction form
   2,793.16/3,851.31 = 2,321.61/x
3. Step 3: Cross multiply
   2,793.16x = 3,851.31 × 2,321.61
4. Step 4: Simplify right side
   2,793.16x = 8,941,239.81
5. Step 5: Solve for x
   x = 8,941,239.81/2,793.16
6. Step 6: Final answer
   x = 3,201.12