Finding the Fourth Proportional to 80,901.55, 111,644.66 and 45,093.83

Step by Step Solution

1. Step 1: Write the proportion equation
   80,901.55 : 111,644.66 = 45,093.83 : x
2. Step 2: Convert to fraction form
   80,901.55/111,644.66 = 45,093.83/x
3. Step 3: Cross multiply
   80,901.55x = 111,644.66 × 45,093.83
4. Step 4: Simplify right side
   80,901.55x = 5,034,485,814.96
5. Step 5: Solve for x
   x = 5,034,485,814.96/80,901.55
6. Step 6: Final answer
   x = 62,229.78