Finding the Fourth Proportional to 21,541.72, 32,327.40 and 8,394.16

Step by Step Solution

1. Step 1: Write the proportion equation
   21,541.72 : 32,327.40 = 8,394.16 : x
2. Step 2: Convert to fraction form
   21,541.72/32,327.40 = 8,394.16/x
3. Step 3: Cross multiply
   21,541.72x = 32,327.40 × 8,394.16
4. Step 4: Simplify right side
   21,541.72x = 271,361,367.98
5. Step 5: Solve for x
   x = 271,361,367.98/21,541.72
6. Step 6: Final answer
   x = 12,597.01