Finding the Fourth Proportional to 22,019.72, 33,029.62 and 9,366.21

Step by Step Solution

1. Step 1: Write the proportion equation
   22,019.72 : 33,029.62 = 9,366.21 : x
2. Step 2: Convert to fraction form
   22,019.72/33,029.62 = 9,366.21/x
3. Step 3: Cross multiply
   22,019.72x = 33,029.62 × 9,366.21
4. Step 4: Simplify right side
   22,019.72x = 309,362,333.72
5. Step 5: Solve for x
   x = 309,362,333.72/22,019.72
6. Step 6: Final answer
   x = 14,049.33