Finding the Fourth Proportional to 22,111.41, 33,169.29 and 7,120.24

Step by Step Solution

1. Step 1: Write the proportion equation
   22,111.41 : 33,169.29 = 7,120.24 : x
2. Step 2: Convert to fraction form
   22,111.41/33,169.29 = 7,120.24/x
3. Step 3: Cross multiply
   22,111.41x = 33,169.29 × 7,120.24
4. Step 4: Simplify right side
   22,111.41x = 236,173,305.43
5. Step 5: Solve for x
   x = 236,173,305.43/22,111.41
6. Step 6: Final answer
   x = 10,681.06