Finding the Fourth Proportional to 81,908.58, 122,840.72 and 35,150.52

Step by Step Solution

1. Step 1: Write the proportion equation
   81,908.58 : 122,840.72 = 35,150.52 : x
2. Step 2: Convert to fraction form
   81,908.58/122,840.72 = 35,150.52/x
3. Step 3: Cross multiply
   81,908.58x = 122,840.72 × 35,150.52
4. Step 4: Simplify right side
   81,908.58x = 4,317,915,185.17
5. Step 5: Solve for x
   x = 4,317,915,185.17/81,908.58
6. Step 6: Final answer
   x = 52,716.27