Finding the Fourth Proportional to 16,803.92, 25,204.96 and 5,116.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,803.92 : 25,204.96 = 5,116.16 : x
2. Step 2: Convert to fraction form
   16,803.92/25,204.96 = 5,116.16/x
3. Step 3: Cross multiply
   16,803.92x = 25,204.96 × 5,116.16
4. Step 4: Simplify right side
   16,803.92x = 128,952,608.15
5. Step 5: Solve for x
   x = 128,952,608.15/16,803.92
6. Step 6: Final answer
   x = 7,673.96