Finding the Fourth Proportional to 80,448.31, 111,028.53 and 46,456.75

Step by Step Solution

1. Step 1: Write the proportion equation
   80,448.31 : 111,028.53 = 46,456.75 : x
2. Step 2: Convert to fraction form
   80,448.31/111,028.53 = 46,456.75/x
3. Step 3: Cross multiply
   80,448.31x = 111,028.53 × 46,456.75
4. Step 4: Simplify right side
   80,448.31x = 5,158,024,661.08
5. Step 5: Solve for x
   x = 5,158,024,661.08/80,448.31
6. Step 6: Final answer
   x = 64,116.01