Finding the Fourth Proportional to 81,643.50, 122,465.34 and 32,395.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,643.50 : 122,465.34 = 32,395.50 : x
2. Step 2: Convert to fraction form
   81,643.50/122,465.34 = 32,395.50/x
3. Step 3: Cross multiply
   81,643.50x = 122,465.34 × 32,395.50
4. Step 4: Simplify right side
   81,643.50x = 3,967,325,921.97
5. Step 5: Solve for x
   x = 3,967,325,921.97/81,643.50
6. Step 6: Final answer
   x = 48,593.29