Finding the Fourth Proportional to 21,507.50, 32,248.69 and 8,344.49

Step by Step Solution

1. Step 1: Write the proportion equation
   21,507.50 : 32,248.69 = 8,344.49 : x
2. Step 2: Convert to fraction form
   21,507.50/32,248.69 = 8,344.49/x
3. Step 3: Cross multiply
   21,507.50x = 32,248.69 × 8,344.49
4. Step 4: Simplify right side
   21,507.50x = 269,098,810.05
5. Step 5: Solve for x
   x = 269,098,810.05/21,507.50
6. Step 6: Final answer
   x = 12,511.86