Finding the Fourth Proportional to 33,294, 45,945.72 and 18,390

Step by Step Solution

1. Step 1: Write the proportion equation
   33,294 : 45,945.72 = 18,390 : x
2. Step 2: Convert to fraction form
   33,294/45,945.72 = 18,390/x
3. Step 3: Cross multiply
   33,294x = 45,945.72 × 18,390
4. Step 4: Simplify right side
   33,294x = 844,941,790.80
5. Step 5: Solve for x
   x = 844,941,790.80/33,294
6. Step 6: Final answer
   x = 25,378.20