Finding the Fourth Proportional to 85,105.97, 117,443.94 and 47,380.22

Step by Step Solution

1. Step 1: Write the proportion equation
   85,105.97 : 117,443.94 = 47,380.22 : x
2. Step 2: Convert to fraction form
   85,105.97/117,443.94 = 47,380.22/x
3. Step 3: Cross multiply
   85,105.97x = 117,443.94 × 47,380.22
4. Step 4: Simplify right side
   85,105.97x = 5,564,519,714.87
5. Step 5: Solve for x
   x = 5,564,519,714.87/85,105.97
6. Step 6: Final answer
   x = 65,383.42