Finding the Fourth Proportional to 80,969.14, 111,737.61 and 45,161.47

Step by Step Solution

1. Step 1: Write the proportion equation
   80,969.14 : 111,737.61 = 45,161.47 : x
2. Step 2: Convert to fraction form
   80,969.14/111,737.61 = 45,161.47/x
3. Step 3: Cross multiply
   80,969.14x = 111,737.61 × 45,161.47
4. Step 4: Simplify right side
   80,969.14x = 5,046,234,721.89
5. Step 5: Solve for x
   x = 5,046,234,721.89/80,969.14
6. Step 6: Final answer
   x = 62,322.94