Finding the Fourth Proportional to 81,976.56, 122,940.52 and 35,218.52

Step by Step Solution

1. Step 1: Write the proportion equation
   81,976.56 : 122,940.52 = 35,218.52 : x
2. Step 2: Convert to fraction form
   81,976.56/122,940.52 = 35,218.52/x
3. Step 3: Cross multiply
   81,976.56x = 122,940.52 × 35,218.52
4. Step 4: Simplify right side
   81,976.56x = 4,329,783,162.43
5. Step 5: Solve for x
   x = 4,329,783,162.43/81,976.56
6. Step 6: Final answer
   x = 52,817.33