Finding the Fourth Proportional to 16,796.39, 25,193.69 and 5,108.70

Step by Step Solution

1. Step 1: Write the proportion equation
   16,796.39 : 25,193.69 = 5,108.70 : x
2. Step 2: Convert to fraction form
   16,796.39/25,193.69 = 5,108.70/x
3. Step 3: Cross multiply
   16,796.39x = 25,193.69 × 5,108.70
4. Step 4: Simplify right side
   16,796.39x = 128,706,978.56
5. Step 5: Solve for x
   x = 128,706,978.56/16,796.39
6. Step 6: Final answer
   x = 7,662.78