Finding the Fourth Proportional to 16,796.64, 25,198.20 and 5,108.88

Step by Step Solution

1. Step 1: Write the proportion equation
   16,796.64 : 25,198.20 = 5,108.88 : x
2. Step 2: Convert to fraction form
   16,796.64/25,198.20 = 5,108.88/x
3. Step 3: Cross multiply
   16,796.64x = 25,198.20 × 5,108.88
4. Step 4: Simplify right side
   16,796.64x = 128,734,580.02
5. Step 5: Solve for x
   x = 128,734,580.02/16,796.64
6. Step 6: Final answer
   x = 7,664.31