Finding the Fourth Proportional to 33,049.68, 49,581.72 and 13,328.88

Step by Step Solution

1. Step 1: Write the proportion equation
   33,049.68 : 49,581.72 = 13,328.88 : x
2. Step 2: Convert to fraction form
   33,049.68/49,581.72 = 13,328.88/x
3. Step 3: Cross multiply
   33,049.68x = 49,581.72 × 13,328.88
4. Step 4: Simplify right side
   33,049.68x = 660,868,796.07
5. Step 5: Solve for x
   x = 660,868,796.07/33,049.68
6. Step 6: Final answer
   x = 19,996.22