Finding the Fourth Proportional to 81,619.37, 122,429.82 and 24,693.72

Step by Step Solution

1. Step 1: Write the proportion equation
   81,619.37 : 122,429.82 = 24,693.72 : x
2. Step 2: Convert to fraction form
   81,619.37/122,429.82 = 24,693.72/x
3. Step 3: Cross multiply
   81,619.37x = 122,429.82 × 24,693.72
4. Step 4: Simplify right side
   81,619.37x = 3,023,247,694.73
5. Step 5: Solve for x
   x = 3,023,247,694.73/81,619.37
6. Step 6: Final answer
   x = 37,040.81