Finding the Fourth Proportional to 22,062.72, 33,062.40 and 17,109.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,062.72 : 33,062.40 = 17,109.12 : x
2. Step 2: Convert to fraction form
   22,062.72/33,062.40 = 17,109.12/x
3. Step 3: Cross multiply
   22,062.72x = 33,062.40 × 17,109.12
4. Step 4: Simplify right side
   22,062.72x = 565,668,569.09
5. Step 5: Solve for x
   x = 565,668,569.09/22,062.72
6. Step 6: Final answer
   x = 25,639.11