Finding the Fourth Proportional to 7,085.92, 10,629.78 and 2,154.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,085.92 : 10,629.78 = 2,154.82 : x
2. Step 2: Convert to fraction form
   7,085.92/10,629.78 = 2,154.82/x
3. Step 3: Cross multiply
   7,085.92x = 10,629.78 × 2,154.82
4. Step 4: Simplify right side
   7,085.92x = 22,905,262.54
5. Step 5: Solve for x
   x = 22,905,262.54/7,085.92
6. Step 6: Final answer
   x = 3,232.50