Finding the Fourth Proportional to 15,593.94, 21,517.29 and 8,879.82

Step by Step Solution

1. Step 1: Write the proportion equation
   15,593.94 : 21,517.29 = 8,879.82 : x
2. Step 2: Convert to fraction form
   15,593.94/21,517.29 = 8,879.82/x
3. Step 3: Cross multiply
   15,593.94x = 21,517.29 × 8,879.82
4. Step 4: Simplify right side
   15,593.94x = 191,069,662.09
5. Step 5: Solve for x
   x = 191,069,662.09/15,593.94
6. Step 6: Final answer
   x = 12,252.82