Finding the Fourth Proportional to 16,636.74, 22,957.72 and 9,081.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,636.74 : 22,957.72 = 9,081.57 : x
2. Step 2: Convert to fraction form
   16,636.74/22,957.72 = 9,081.57/x
3. Step 3: Cross multiply
   16,636.74x = 22,957.72 × 9,081.57
4. Step 4: Simplify right side
   16,636.74x = 208,492,141.22
5. Step 5: Solve for x
   x = 208,492,141.22/16,636.74
6. Step 6: Final answer
   x = 12,532.03