Finding the Fourth Proportional to 80,622.80, 111,251.40 and 46,628.72

Step by Step Solution

1. Step 1: Write the proportion equation
   80,622.80 : 111,251.40 = 46,628.72 : x
2. Step 2: Convert to fraction form
   80,622.80/111,251.40 = 46,628.72/x
3. Step 3: Cross multiply
   80,622.80x = 111,251.40 × 46,628.72
4. Step 4: Simplify right side
   80,622.80x = 5,187,510,380.21
5. Step 5: Solve for x
   x = 5,187,510,380.21/80,622.80
6. Step 6: Final answer
   x = 64,342.97