Finding the Fourth Proportional to 81,667.89, 122,502.46 and 22,506.80

Step by Step Solution

1. Step 1: Write the proportion equation
   81,667.89 : 122,502.46 = 22,506.80 : x
2. Step 2: Convert to fraction form
   81,667.89/122,502.46 = 22,506.80/x
3. Step 3: Cross multiply
   81,667.89x = 122,502.46 × 22,506.80
4. Step 4: Simplify right side
   81,667.89x = 2,757,138,616.72
5. Step 5: Solve for x
   x = 2,757,138,616.72/81,667.89
6. Step 6: Final answer
   x = 33,760.38