Finding the Fourth Proportional to 22,196.61, 33,245.55 and 20,467.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,196.61 : 33,245.55 = 20,467.98 : x
2. Step 2: Convert to fraction form
   22,196.61/33,245.55 = 20,467.98/x
3. Step 3: Cross multiply
   22,196.61x = 33,245.55 × 20,467.98
4. Step 4: Simplify right side
   22,196.61x = 680,469,252.49
5. Step 5: Solve for x
   x = 680,469,252.49/22,196.61
6. Step 6: Final answer
   x = 30,656.45