Finding the Fourth Proportional to 80,714.12, 111,308.82 and 48,443.72

Step by Step Solution

1. Step 1: Write the proportion equation
   80,714.12 : 111,308.82 = 48,443.72 : x
2. Step 2: Convert to fraction form
   80,714.12/111,308.82 = 48,443.72/x
3. Step 3: Cross multiply
   80,714.12x = 111,308.82 × 48,443.72
4. Step 4: Simplify right side
   80,714.12x = 5,392,213,309.61
5. Step 5: Solve for x
   x = 5,392,213,309.61/80,714.12
6. Step 6: Final answer
   x = 66,806.32