Finding the Fourth Proportional to 78,493.92, 108,283.54 and 46,640.27

Step by Step Solution

1. Step 1: Write the proportion equation
   78,493.92 : 108,283.54 = 46,640.27 : x
2. Step 2: Convert to fraction form
   78,493.92/108,283.54 = 46,640.27/x
3. Step 3: Cross multiply
   78,493.92x = 108,283.54 × 46,640.27
4. Step 4: Simplify right side
   78,493.92x = 5,050,372,767.54
5. Step 5: Solve for x
   x = 5,050,372,767.54/78,493.92
6. Step 6: Final answer
   x = 64,340.94