Finding the Fourth Proportional to 16,328.59, 22,531.67 and 9,616.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,328.59 : 22,531.67 = 9,616.32 : x
2. Step 2: Convert to fraction form
   16,328.59/22,531.67 = 9,616.32/x
3. Step 3: Cross multiply
   16,328.59x = 22,531.67 × 9,616.32
4. Step 4: Simplify right side
   16,328.59x = 216,671,736.83
5. Step 5: Solve for x
   x = 216,671,736.83/16,328.59
6. Step 6: Final answer
   x = 13,269.47