Finding the Fourth Proportional to 16,790.88, 25,190.46 and 5,103.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,790.88 : 25,190.46 = 5,103.48 : x
2. Step 2: Convert to fraction form
   16,790.88/25,190.46 = 5,103.48/x
3. Step 3: Cross multiply
   16,790.88x = 25,190.46 × 5,103.48
4. Step 4: Simplify right side
   16,790.88x = 128,559,008.80
5. Step 5: Solve for x
   x = 128,559,008.80/16,790.88
6. Step 6: Final answer
   x = 7,656.48