Finding the Fourth Proportional to 81,726.31, 122,596.51 and 22,561.98

Step by Step Solution

1. Step 1: Write the proportion equation
   81,726.31 : 122,596.51 = 22,561.98 : x
2. Step 2: Convert to fraction form
   81,726.31/122,596.51 = 22,561.98/x
3. Step 3: Cross multiply
   81,726.31x = 122,596.51 × 22,561.98
4. Step 4: Simplify right side
   81,726.31x = 2,766,020,006.69
5. Step 5: Solve for x
   x = 2,766,020,006.69/81,726.31
6. Step 6: Final answer
   x = 33,844.92