Finding the Fourth Proportional to 8,128.76, 12,196.38 and 2,935.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,128.76 : 12,196.38 = 2,935.04 : x
2. Step 2: Convert to fraction form
   8,128.76/12,196.38 = 2,935.04/x
3. Step 3: Cross multiply
   8,128.76x = 12,196.38 × 2,935.04
4. Step 4: Simplify right side
   8,128.76x = 35,796,863.16
5. Step 5: Solve for x
   x = 35,796,863.16/8,128.76
6. Step 6: Final answer
   x = 4,403.73