Finding the Fourth Proportional to 14,411.94, 19,889.39 and 8,124.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,411.94 : 19,889.39 = 8,124.72 : x
2. Step 2: Convert to fraction form
   14,411.94/19,889.39 = 8,124.72/x
3. Step 3: Cross multiply
   14,411.94x = 19,889.39 × 8,124.72
4. Step 4: Simplify right side
   14,411.94x = 161,595,724.72
5. Step 5: Solve for x
   x = 161,595,724.72/14,411.94
6. Step 6: Final answer
   x = 11,212.63