Finding the Fourth Proportional to 81,498.72, 122,222.76 and 39,352.59

Step by Step Solution

1. Step 1: Write the proportion equation
   81,498.72 : 122,222.76 = 39,352.59 : x
2. Step 2: Convert to fraction form
   81,498.72/122,222.76 = 39,352.59/x
3. Step 3: Cross multiply
   81,498.72x = 122,222.76 × 39,352.59
4. Step 4: Simplify right side
   81,498.72x = 4,809,782,359.13
5. Step 5: Solve for x
   x = 4,809,782,359.13/81,498.72
6. Step 6: Final answer
   x = 59,016.66