Finding the Fourth Proportional to 80,465.31, 111,016.43 and 46,469.30

Step by Step Solution

1. Step 1: Write the proportion equation
   80,465.31 : 111,016.43 = 46,469.30 : x
2. Step 2: Convert to fraction form
   80,465.31/111,016.43 = 46,469.30/x
3. Step 3: Cross multiply
   80,465.31x = 111,016.43 × 46,469.30
4. Step 4: Simplify right side
   80,465.31x = 5,158,855,003.17
5. Step 5: Solve for x
   x = 5,158,855,003.17/80,465.31
6. Step 6: Final answer
   x = 64,112.78