Finding the Fourth Proportional to 80,472.72, 111,056.20 and 46,485.71

Step by Step Solution

1. Step 1: Write the proportion equation
   80,472.72 : 111,056.20 = 46,485.71 : x
2. Step 2: Convert to fraction form
   80,472.72/111,056.20 = 46,485.71/x
3. Step 3: Cross multiply
   80,472.72x = 111,056.20 × 46,485.71
4. Step 4: Simplify right side
   80,472.72x = 5,162,526,404.15
5. Step 5: Solve for x
   x = 5,162,526,404.15/80,472.72
6. Step 6: Final answer
   x = 64,152.51