Finding the Fourth Proportional to 80,901.93, 111,648.50 and 45,092.21

Step by Step Solution

1. Step 1: Write the proportion equation
   80,901.93 : 111,648.50 = 45,092.21 : x
2. Step 2: Convert to fraction form
   80,901.93/111,648.50 = 45,092.21/x
3. Step 3: Cross multiply
   80,901.93x = 111,648.50 × 45,092.21
4. Step 4: Simplify right side
   80,901.93x = 5,034,476,993.58
5. Step 5: Solve for x
   x = 5,034,476,993.58/80,901.93
6. Step 6: Final answer
   x = 62,229.38