Finding the Fourth Proportional to 14,131.89, 19,502.09 and 8,829.78

Step by Step Solution

1. Step 1: Write the proportion equation
   14,131.89 : 19,502.09 = 8,829.78 : x
2. Step 2: Convert to fraction form
   14,131.89/19,502.09 = 8,829.78/x
3. Step 3: Cross multiply
   14,131.89x = 19,502.09 × 8,829.78
4. Step 4: Simplify right side
   14,131.89x = 172,199,164.24
5. Step 5: Solve for x
   x = 172,199,164.24/14,131.89
6. Step 6: Final answer
   x = 12,185.15