Finding the Fourth Proportional to 16,111.66, 22,234.30 and 12,071.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,111.66 : 22,234.30 = 12,071.32 : x
2. Step 2: Convert to fraction form
   16,111.66/22,234.30 = 12,071.32/x
3. Step 3: Cross multiply
   16,111.66x = 22,234.30 × 12,071.32
4. Step 4: Simplify right side
   16,111.66x = 268,397,350.28
5. Step 5: Solve for x
   x = 268,397,350.28/16,111.66
6. Step 6: Final answer
   x = 16,658.58