Finding the Fourth Proportional to 81,744.83, 122,628.94 and 39,590.27

Step by Step Solution

1. Step 1: Write the proportion equation
   81,744.83 : 122,628.94 = 39,590.27 : x
2. Step 2: Convert to fraction form
   81,744.83/122,628.94 = 39,590.27/x
3. Step 3: Cross multiply
   81,744.83x = 122,628.94 × 39,590.27
4. Step 4: Simplify right side
   81,744.83x = 4,854,912,592.15
5. Step 5: Solve for x
   x = 4,854,912,592.15/81,744.83
6. Step 6: Final answer
   x = 59,391.07