Finding the Fourth Proportional to 16,389.02, 22,616.64 and 9,314.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,389.02 : 22,616.64 = 9,314.98 : x
2. Step 2: Convert to fraction form
   16,389.02/22,616.64 = 9,314.98/x
3. Step 3: Cross multiply
   16,389.02x = 22,616.64 × 9,314.98
4. Step 4: Simplify right side
   16,389.02x = 210,673,492.73
5. Step 5: Solve for x
   x = 210,673,492.73/16,389.02
6. Step 6: Final answer
   x = 12,854.55