Finding the Fourth Proportional to 80,443.74, 111,028.50 and 46,457.76

Step by Step Solution

1. Step 1: Write the proportion equation
   80,443.74 : 111,028.50 = 46,457.76 : x
2. Step 2: Convert to fraction form
   80,443.74/111,028.50 = 46,457.76/x
3. Step 3: Cross multiply
   80,443.74x = 111,028.50 × 46,457.76
4. Step 4: Simplify right side
   80,443.74x = 5,158,135,406.16
5. Step 5: Solve for x
   x = 5,158,135,406.16/80,443.74
6. Step 6: Final answer
   x = 64,121.03