Finding the Fourth Proportional to 16,788.16, 25,151.11 and 8,448.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,788.16 : 25,151.11 = 8,448.10 : x
2. Step 2: Convert to fraction form
   16,788.16/25,151.11 = 8,448.10/x
3. Step 3: Cross multiply
   16,788.16x = 25,151.11 × 8,448.10
4. Step 4: Simplify right side
   16,788.16x = 212,479,008.39
5. Step 5: Solve for x
   x = 212,479,008.39/16,788.16
6. Step 6: Final answer
   x = 12,656.48