Finding the Fourth Proportional to 21,567.98, 32,351.98 and 12,327.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,567.98 : 32,351.98 = 12,327.50 : x
2. Step 2: Convert to fraction form
   21,567.98/32,351.98 = 12,327.50/x
3. Step 3: Cross multiply
   21,567.98x = 32,351.98 × 12,327.50
4. Step 4: Simplify right side
   21,567.98x = 398,819,033.45
5. Step 5: Solve for x
   x = 398,819,033.45/21,567.98
6. Step 6: Final answer
   x = 18,491.26