Finding the Fourth Proportional to 80,817.20, 111,520.18 and 46,826.98

Step by Step Solution

1. Step 1: Write the proportion equation
   80,817.20 : 111,520.18 = 46,826.98 : x
2. Step 2: Convert to fraction form
   80,817.20/111,520.18 = 46,826.98/x
3. Step 3: Cross multiply
   80,817.20x = 111,520.18 × 46,826.98
4. Step 4: Simplify right side
   80,817.20x = 5,222,153,238.46
5. Step 5: Solve for x
   x = 5,222,153,238.46/80,817.20
6. Step 6: Final answer
   x = 64,616.85