Finding the Fourth Proportional to 16,906.88, 25,349.52 and 8,124.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,906.88 : 25,349.52 = 8,124.32 : x
2. Step 2: Convert to fraction form
   16,906.88/25,349.52 = 8,124.32/x
3. Step 3: Cross multiply
   16,906.88x = 25,349.52 × 8,124.32
4. Step 4: Simplify right side
   16,906.88x = 205,947,612.33
5. Step 5: Solve for x
   x = 205,947,612.33/16,906.88
6. Step 6: Final answer
   x = 12,181.29