Finding the Fourth Proportional to 80,806.30, 111,528.27 and 48,992.62

Step by Step Solution

1. Step 1: Write the proportion equation
   80,806.30 : 111,528.27 = 48,992.62 : x
2. Step 2: Convert to fraction form
   80,806.30/111,528.27 = 48,992.62/x
3. Step 3: Cross multiply
   80,806.30x = 111,528.27 × 48,992.62
4. Step 4: Simplify right side
   80,806.30x = 5,464,062,151.37
5. Step 5: Solve for x
   x = 5,464,062,151.37/80,806.30
6. Step 6: Final answer
   x = 67,619.26