Finding the Fourth Proportional to 81,604.81, 122,407.89 and 22,443.72

Step by Step Solution

1. Step 1: Write the proportion equation
   81,604.81 : 122,407.89 = 22,443.72 : x
2. Step 2: Convert to fraction form
   81,604.81/122,407.89 = 22,443.72/x
3. Step 3: Cross multiply
   81,604.81x = 122,407.89 × 22,443.72
4. Step 4: Simplify right side
   81,604.81x = 2,747,288,408.95
5. Step 5: Solve for x
   x = 2,747,288,408.95/81,604.81
6. Step 6: Final answer
   x = 33,665.77