Finding the Fourth Proportional to 14,411.69, 19,889.04 and 8,124.47

Step by Step Solution

1. Step 1: Write the proportion equation
   14,411.69 : 19,889.04 = 8,124.47 : x
2. Step 2: Convert to fraction form
   14,411.69/19,889.04 = 8,124.47/x
3. Step 3: Cross multiply
   14,411.69x = 19,889.04 × 8,124.47
4. Step 4: Simplify right side
   14,411.69x = 161,587,809.36
5. Step 5: Solve for x
   x = 161,587,809.36/14,411.69
6. Step 6: Final answer
   x = 11,212.28