Finding the Fourth Proportional to 22,216.68, 33,321.78 and 7,425.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,216.68 : 33,321.78 = 7,425.27 : x
2. Step 2: Convert to fraction form
   22,216.68/33,321.78 = 7,425.27/x
3. Step 3: Cross multiply
   22,216.68x = 33,321.78 × 7,425.27
4. Step 4: Simplify right side
   22,216.68x = 247,423,213.38
5. Step 5: Solve for x
   x = 247,423,213.38/22,216.68
6. Step 6: Final answer
   x = 11,136.82