Finding the Fourth Proportional to 16,662.78, 24,994.13 and 5,569.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,662.78 : 24,994.13 = 5,569.47 : x
2. Step 2: Convert to fraction form
   16,662.78/24,994.13 = 5,569.47/x
3. Step 3: Cross multiply
   16,662.78x = 24,994.13 × 5,569.47
4. Step 4: Simplify right side
   16,662.78x = 139,204,029.36
5. Step 5: Solve for x
   x = 139,204,029.36/16,662.78
6. Step 6: Final answer
   x = 8,354.19