Finding the Fourth Proportional to 33,142.72, 45,738.04 and 18,998.24

Step by Step Solution

1. Step 1: Write the proportion equation
   33,142.72 : 45,738.04 = 18,998.24 : x
2. Step 2: Convert to fraction form
   33,142.72/45,738.04 = 18,998.24/x
3. Step 3: Cross multiply
   33,142.72x = 45,738.04 × 18,998.24
4. Step 4: Simplify right side
   33,142.72x = 868,942,261.05
5. Step 5: Solve for x
   x = 868,942,261.05/33,142.72
6. Step 6: Final answer
   x = 26,218.19