Finding the Fourth Proportional to 22,272.13, 30,735.55 and 12,200.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,272.13 : 30,735.55 = 12,200.94 : x
2. Step 2: Convert to fraction form
   22,272.13/30,735.55 = 12,200.94/x
3. Step 3: Cross multiply
   22,272.13x = 30,735.55 × 12,200.94
4. Step 4: Simplify right side
   22,272.13x = 375,002,501.41
5. Step 5: Solve for x
   x = 375,002,501.41/22,272.13
6. Step 6: Final answer
   x = 16,837.30