Finding the Fourth Proportional to 14,178.98, 19,566.69 and 8,876.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,178.98 : 19,566.69 = 8,876.72 : x
2. Step 2: Convert to fraction form
   14,178.98/19,566.69 = 8,876.72/x
3. Step 3: Cross multiply
   14,178.98x = 19,566.69 × 8,876.72
4. Step 4: Simplify right side
   14,178.98x = 173,688,028.46
5. Step 5: Solve for x
   x = 173,688,028.46/14,178.98
6. Step 6: Final answer
   x = 12,249.68