Finding the Fourth Proportional to 21,595.52, 32,397.37 and 8,447.06

Step by Step Solution

1. Step 1: Write the proportion equation
   21,595.52 : 32,397.37 = 8,447.06 : x
2. Step 2: Convert to fraction form
   21,595.52/32,397.37 = 8,447.06/x
3. Step 3: Cross multiply
   21,595.52x = 32,397.37 × 8,447.06
4. Step 4: Simplify right side
   21,595.52x = 273,662,588.11
5. Step 5: Solve for x
   x = 273,662,588.11/21,595.52
6. Step 6: Final answer
   x = 12,672.19