Finding the Fourth Proportional to 33,414.32, 50,109.96 and 13,687.28

Step by Step Solution

1. Step 1: Write the proportion equation
   33,414.32 : 50,109.96 = 13,687.28 : x
2. Step 2: Convert to fraction form
   33,414.32/50,109.96 = 13,687.28/x
3. Step 3: Cross multiply
   33,414.32x = 50,109.96 × 13,687.28
4. Step 4: Simplify right side
   33,414.32x = 685,869,053.31
5. Step 5: Solve for x
   x = 685,869,053.31/33,414.32
6. Step 6: Final answer
   x = 20,526.20