Finding the Fourth Proportional to 85,674.78, 118,231.56 and 47,949

Step by Step Solution

1. Step 1: Write the proportion equation
   85,674.78 : 118,231.56 = 47,949 : x
2. Step 2: Convert to fraction form
   85,674.78/118,231.56 = 47,949/x
3. Step 3: Cross multiply
   85,674.78x = 118,231.56 × 47,949
4. Step 4: Simplify right side
   85,674.78x = 5,669,085,070.44
5. Step 5: Solve for x
   x = 5,669,085,070.44/85,674.78
6. Step 6: Final answer
   x = 66,169.82