Finding the Fourth Proportional to 22,235.34, 30,685.59 and 12,163.17

Step by Step Solution

1. Step 1: Write the proportion equation
   22,235.34 : 30,685.59 = 12,163.17 : x
2. Step 2: Convert to fraction form
   22,235.34/30,685.59 = 12,163.17/x
3. Step 3: Cross multiply
   22,235.34x = 30,685.59 × 12,163.17
4. Step 4: Simplify right side
   22,235.34x = 373,234,047.72
5. Step 5: Solve for x
   x = 373,234,047.72/22,235.34
6. Step 6: Final answer
   x = 16,785.62