Finding the Fourth Proportional to 21,445.47, 32,167.22 and 5,863.05

Step by Step Solution

1. Step 1: Write the proportion equation
   21,445.47 : 32,167.22 = 5,863.05 : x
2. Step 2: Convert to fraction form
   21,445.47/32,167.22 = 5,863.05/x
3. Step 3: Cross multiply
   21,445.47x = 32,167.22 × 5,863.05
4. Step 4: Simplify right side
   21,445.47x = 188,597,989.91
5. Step 5: Solve for x
   x = 188,597,989.91/21,445.47
6. Step 6: Final answer
   x = 8,794.30