Finding the Fourth Proportional to 33,169.96, 49,736.22 and 12,385

Step by Step Solution

1. Step 1: Write the proportion equation
   33,169.96 : 49,736.22 = 12,385 : x
2. Step 2: Convert to fraction form
   33,169.96/49,736.22 = 12,385/x
3. Step 3: Cross multiply
   33,169.96x = 49,736.22 × 12,385
4. Step 4: Simplify right side
   33,169.96x = 615,983,084.70
5. Step 5: Solve for x
   x = 615,983,084.70/33,169.96
6. Step 6: Final answer
   x = 18,570.51