Finding the Fourth Proportional to 21,530.48, 32,282.48 and 8,367.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,530.48 : 32,282.48 = 8,367.50 : x
2. Step 2: Convert to fraction form
   21,530.48/32,282.48 = 8,367.50/x
3. Step 3: Cross multiply
   21,530.48x = 32,282.48 × 8,367.50
4. Step 4: Simplify right side
   21,530.48x = 270,123,753.02
5. Step 5: Solve for x
   x = 270,123,753.02/21,530.48
6. Step 6: Final answer
   x = 12,546.11