Finding the Fourth Proportional to 80,788.56, 111,459.36 and 46,778.48

Step by Step Solution

1. Step 1: Write the proportion equation
   80,788.56 : 111,459.36 = 46,778.48 : x
2. Step 2: Convert to fraction form
   80,788.56/111,459.36 = 46,778.48/x
3. Step 3: Cross multiply
   80,788.56x = 111,459.36 × 46,778.48
4. Step 4: Simplify right side
   80,788.56x = 5,213,899,721.22
5. Step 5: Solve for x
   x = 5,213,899,721.22/80,788.56
6. Step 6: Final answer
   x = 64,537.60