Finding the Fourth Proportional to 33,168.96, 49,734.72 and 12,384

Step by Step Solution

1. Step 1: Write the proportion equation
   33,168.96 : 49,734.72 = 12,384 : x
2. Step 2: Convert to fraction form
   33,168.96/49,734.72 = 12,384/x
3. Step 3: Cross multiply
   33,168.96x = 49,734.72 × 12,384
4. Step 4: Simplify right side
   33,168.96x = 615,914,772.48
5. Step 5: Solve for x
   x = 615,914,772.48/33,168.96
6. Step 6: Final answer
   x = 18,569.01