Finding the Fourth Proportional to 16,007.61, 22,091.72 and 8,838.91

Step by Step Solution

1. Step 1: Write the proportion equation
   16,007.61 : 22,091.72 = 8,838.91 : x
2. Step 2: Convert to fraction form
   16,007.61/22,091.72 = 8,838.91/x
3. Step 3: Cross multiply
   16,007.61x = 22,091.72 × 8,838.91
4. Step 4: Simplify right side
   16,007.61x = 195,266,724.83
5. Step 5: Solve for x
   x = 195,266,724.83/16,007.61
6. Step 6: Final answer
   x = 12,198.37