Finding the Fourth Proportional to 80,805.20, 111,480.89 and 46,801.28

Step by Step Solution

1. Step 1: Write the proportion equation
   80,805.20 : 111,480.89 = 46,801.28 : x
2. Step 2: Convert to fraction form
   80,805.20/111,480.89 = 46,801.28/x
3. Step 3: Cross multiply
   80,805.20x = 111,480.89 × 46,801.28
4. Step 4: Simplify right side
   80,805.20x = 5,217,448,392.24
5. Step 5: Solve for x
   x = 5,217,448,392.24/80,805.20
6. Step 6: Final answer
   x = 64,568.23