Finding the Fourth Proportional to 80,808.80, 111,531.72 and 48,995.12

Step by Step Solution

1. Step 1: Write the proportion equation
   80,808.80 : 111,531.72 = 48,995.12 : x
2. Step 2: Convert to fraction form
   80,808.80/111,531.72 = 48,995.12/x
3. Step 3: Cross multiply
   80,808.80x = 111,531.72 × 48,995.12
4. Step 4: Simplify right side
   80,808.80x = 5,464,510,005.21
5. Step 5: Solve for x
   x = 5,464,510,005.21/80,808.80
6. Step 6: Final answer
   x = 67,622.71