Finding the Fourth Proportional to 80,883.78, 111,620.01 and 46,912.38

Step by Step Solution

1. Step 1: Write the proportion equation
   80,883.78 : 111,620.01 = 46,912.38 : x
2. Step 2: Convert to fraction form
   80,883.78/111,620.01 = 46,912.38/x
3. Step 3: Cross multiply
   80,883.78x = 111,620.01 × 46,912.38
4. Step 4: Simplify right side
   80,883.78x = 5,236,360,324.72
5. Step 5: Solve for x
   x = 5,236,360,324.72/80,883.78
6. Step 6: Final answer
   x = 64,739.31