Finding the Fourth Proportional to 12,224.50, 16,864.59 and 9,386.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,224.50 : 16,864.59 = 9,386.98 : x
2. Step 2: Convert to fraction form
   12,224.50/16,864.59 = 9,386.98/x
3. Step 3: Cross multiply
   12,224.50x = 16,864.59 × 9,386.98
4. Step 4: Simplify right side
   12,224.50x = 158,307,569.04
5. Step 5: Solve for x
   x = 158,307,569.04/12,224.50
6. Step 6: Final answer
   x = 12,950.02