Finding the Fourth Proportional to 22,008.48, 33,017.31 and 7,216.23

Step by Step Solution

1. Step 1: Write the proportion equation
   22,008.48 : 33,017.31 = 7,216.23 : x
2. Step 2: Convert to fraction form
   22,008.48/33,017.31 = 7,216.23/x
3. Step 3: Cross multiply
   22,008.48x = 33,017.31 × 7,216.23
4. Step 4: Simplify right side
   22,008.48x = 238,260,502.94
5. Step 5: Solve for x
   x = 238,260,502.94/22,008.48
6. Step 6: Final answer
   x = 10,825.85