Finding the Fourth Proportional to 33,198.72, 45,812.16 and 18,294.72

Step by Step Solution

1. Step 1: Write the proportion equation
   33,198.72 : 45,812.16 = 18,294.72 : x
2. Step 2: Convert to fraction form
   33,198.72/45,812.16 = 18,294.72/x
3. Step 3: Cross multiply
   33,198.72x = 45,812.16 × 18,294.72
4. Step 4: Simplify right side
   33,198.72x = 838,120,639.80
5. Step 5: Solve for x
   x = 838,120,639.80/33,198.72
6. Step 6: Final answer
   x = 25,245.57