Finding the Fourth Proportional to 80,612.18, 111,238.61 and 44,800.05

Step by Step Solution

1. Step 1: Write the proportion equation
   80,612.18 : 111,238.61 = 44,800.05 : x
2. Step 2: Convert to fraction form
   80,612.18/111,238.61 = 44,800.05/x
3. Step 3: Cross multiply
   80,612.18x = 111,238.61 × 44,800.05
4. Step 4: Simplify right side
   80,612.18x = 4,983,495,065.93
5. Step 5: Solve for x
   x = 4,983,495,065.93/80,612.18
6. Step 6: Final answer
   x = 61,820.63