Finding the Fourth Proportional to 22,661.72, 31,162.26 and 19,672.33

Step by Step Solution

1. Step 1: Write the proportion equation
   22,661.72 : 31,162.26 = 19,672.33 : x
2. Step 2: Convert to fraction form
   22,661.72/31,162.26 = 19,672.33/x
3. Step 3: Cross multiply
   22,661.72x = 31,162.26 × 19,672.33
4. Step 4: Simplify right side
   22,661.72x = 613,034,106.45
5. Step 5: Solve for x
   x = 613,034,106.45/22,661.72
6. Step 6: Final answer
   x = 27,051.53