Finding the Fourth Proportional to 80,482.69, 111,069.05 and 48,645.37

Step by Step Solution

1. Step 1: Write the proportion equation
   80,482.69 : 111,069.05 = 48,645.37 : x
2. Step 2: Convert to fraction form
   80,482.69/111,069.05 = 48,645.37/x
3. Step 3: Cross multiply
   80,482.69x = 111,069.05 × 48,645.37
4. Step 4: Simplify right side
   80,482.69x = 5,402,995,032.80
5. Step 5: Solve for x
   x = 5,402,995,032.80/80,482.69
6. Step 6: Final answer
   x = 67,132.39