Finding the Fourth Proportional to 80,689.56, 111,350.00 and 44,878.80

Step by Step Solution

1. Step 1: Write the proportion equation
   80,689.56 : 111,350.00 = 44,878.80 : x
2. Step 2: Convert to fraction form
   80,689.56/111,350.00 = 44,878.80/x
3. Step 3: Cross multiply
   80,689.56x = 111,350.00 × 44,878.80
4. Step 4: Simplify right side
   80,689.56x = 4,997,254,155.61
5. Step 5: Solve for x
   x = 4,997,254,155.61/80,689.56
6. Step 6: Final answer
   x = 61,931.86