Finding the Fourth Proportional to 81,911.37, 122,913.98 and 34,522.73

Step by Step Solution

1. Step 1: Write the proportion equation
   81,911.37 : 122,913.98 = 34,522.73 : x
2. Step 2: Convert to fraction form
   81,911.37/122,913.98 = 34,522.73/x
3. Step 3: Cross multiply
   81,911.37x = 122,913.98 × 34,522.73
4. Step 4: Simplify right side
   81,911.37x = 4,243,325,357.58
5. Step 5: Solve for x
   x = 4,243,325,357.58/81,911.37
6. Step 6: Final answer
   x = 51,803.86