Finding the Fourth Proportional to 22,399.72, 33,620.37 and 11,314.20

Step by Step Solution

1. Step 1: Write the proportion equation
   22,399.72 : 33,620.37 = 11,314.20 : x
2. Step 2: Convert to fraction form
   22,399.72/33,620.37 = 11,314.20/x
3. Step 3: Cross multiply
   22,399.72x = 33,620.37 × 11,314.20
4. Step 4: Simplify right side
   22,399.72x = 380,387,590.25
5. Step 5: Solve for x
   x = 380,387,590.25/22,399.72
6. Step 6: Final answer
   x = 16,981.80