Finding the Fourth Proportional to 22,019.31, 33,032.41 and 7,224.87

Step by Step Solution

1. Step 1: Write the proportion equation
   22,019.31 : 33,032.41 = 7,224.87 : x
2. Step 2: Convert to fraction form
   22,019.31/33,032.41 = 7,224.87/x
3. Step 3: Cross multiply
   22,019.31x = 33,032.41 × 7,224.87
4. Step 4: Simplify right side
   22,019.31x = 238,654,702.87
5. Step 5: Solve for x
   x = 238,654,702.87/22,019.31
6. Step 6: Final answer
   x = 10,838.43