Finding the Fourth Proportional to 7,085.73, 10,629.18 and 2,155.41

Step by Step Solution

1. Step 1: Write the proportion equation
   7,085.73 : 10,629.18 = 2,155.41 : x
2. Step 2: Convert to fraction form
   7,085.73/10,629.18 = 2,155.41/x
3. Step 3: Cross multiply
   7,085.73x = 10,629.18 × 2,155.41
4. Step 4: Simplify right side
   7,085.73x = 22,910,240.86
5. Step 5: Solve for x
   x = 22,910,240.86/7,085.73
6. Step 6: Final answer
   x = 3,233.29