Finding the Fourth Proportional to 14,429.78, 19,912.22 and 8,055.96

Step by Step Solution

1. Step 1: Write the proportion equation
   14,429.78 : 19,912.22 = 8,055.96 : x
2. Step 2: Convert to fraction form
   14,429.78/19,912.22 = 8,055.96/x
3. Step 3: Cross multiply
   14,429.78x = 19,912.22 × 8,055.96
4. Step 4: Simplify right side
   14,429.78x = 160,412,047.83
5. Step 5: Solve for x
   x = 160,412,047.83/14,429.78
6. Step 6: Final answer
   x = 11,116.74