Finding the Fourth Proportional to 33,180.86, 49,757.32 and 13,445.62

Step by Step Solution

1. Step 1: Write the proportion equation
   33,180.86 : 49,757.32 = 13,445.62 : x
2. Step 2: Convert to fraction form
   33,180.86/49,757.32 = 13,445.62/x
3. Step 3: Cross multiply
   33,180.86x = 49,757.32 × 13,445.62
4. Step 4: Simplify right side
   33,180.86x = 669,018,016.94
5. Step 5: Solve for x
   x = 669,018,016.94/33,180.86
6. Step 6: Final answer
   x = 20,162.77