Finding the Fourth Proportional to 22,661.22, 31,161.57 and 19,671.83

Step by Step Solution

1. Step 1: Write the proportion equation
   22,661.22 : 31,161.57 = 19,671.83 : x
2. Step 2: Convert to fraction form
   22,661.22/31,161.57 = 19,671.83/x
3. Step 3: Cross multiply
   22,661.22x = 31,161.57 × 19,671.83
4. Step 4: Simplify right side
   22,661.22x = 613,004,951.77
5. Step 5: Solve for x
   x = 613,004,951.77/22,661.22
6. Step 6: Final answer
   x = 27,050.84