Finding the Fourth Proportional to 80,726.31, 111,392.28 and 44,913.78

Step by Step Solution

1. Step 1: Write the proportion equation
   80,726.31 : 111,392.28 = 44,913.78 : x
2. Step 2: Convert to fraction form
   80,726.31/111,392.28 = 44,913.78/x
3. Step 3: Cross multiply
   80,726.31x = 111,392.28 × 44,913.78
4. Step 4: Simplify right side
   80,726.31x = 5,003,048,357.62
5. Step 5: Solve for x
   x = 5,003,048,357.62/80,726.31
6. Step 6: Final answer
   x = 61,975.44