Finding the Fourth Proportional to 16,111.68, 22,234.18 and 8,941.74

Step by Step Solution

1. Step 1: Write the proportion equation
   16,111.68 : 22,234.18 = 8,941.74 : x
2. Step 2: Convert to fraction form
   16,111.68/22,234.18 = 8,941.74/x
3. Step 3: Cross multiply
   16,111.68x = 22,234.18 × 8,941.74
4. Step 4: Simplify right side
   16,111.68x = 198,812,256.67
5. Step 5: Solve for x
   x = 198,812,256.67/16,111.68
6. Step 6: Final answer
   x = 12,339.64