Finding the Fourth Proportional to 16,641.22, 22,964.93 and 9,087.61

Step by Step Solution

1. Step 1: Write the proportion equation
   16,641.22 : 22,964.93 = 9,087.61 : x
2. Step 2: Convert to fraction form
   16,641.22/22,964.93 = 9,087.61/x
3. Step 3: Cross multiply
   16,641.22x = 22,964.93 × 9,087.61
4. Step 4: Simplify right side
   16,641.22x = 208,696,384.93
5. Step 5: Solve for x
   x = 208,696,384.93/16,641.22
6. Step 6: Final answer
   x = 12,540.93