Finding the Fourth Proportional to 22,522.10, 33,786.78 and 6,939.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,522.10 : 33,786.78 = 6,939.72 : x
2. Step 2: Convert to fraction form
   22,522.10/33,786.78 = 6,939.72/x
3. Step 3: Cross multiply
   22,522.10x = 33,786.78 × 6,939.72
4. Step 4: Simplify right side
   22,522.10x = 234,470,792.90
5. Step 5: Solve for x
   x = 234,470,792.90/22,522.10
6. Step 6: Final answer
   x = 10,410.70