Finding the Fourth Proportional to 16,222.50, 22,389.48 and 9,938.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,222.50 : 22,389.48 = 9,938.52 : x
2. Step 2: Convert to fraction form
   16,222.50/22,389.48 = 9,938.52/x
3. Step 3: Cross multiply
   16,222.50x = 22,389.48 × 9,938.52
4. Step 4: Simplify right side
   16,222.50x = 222,518,294.77
5. Step 5: Solve for x
   x = 222,518,294.77/16,222.50
6. Step 6: Final answer
   x = 13,716.65