Finding the Fourth Proportional to 33,691,411.92, 46,494,148.72 and 18,221,496.72

Step by Step Solution

1. Step 1: Write the proportion equation
   33,691,411.92 : 46,494,148.72 = 18,221,496.72 : x
2. Step 2: Convert to fraction form
   33,691,411.92/46,494,148.72 = 18,221,496.72/x
3. Step 3: Cross multiply
   33,691,411.92x = 46,494,148.72 × 18,221,496.72
4. Step 4: Simplify right side
   33,691,411.92x = 847,192,978,400,672.12
5. Step 5: Solve for x
   x = 847,192,978,400,672.12/33,691,411.92
6. Step 6: Final answer
   x = 25,145,665.62