Finding the Fourth Proportional to 80,866.20, 111,582.06 and 45,048.12

Step by Step Solution

1. Step 1: Write the proportion equation
   80,866.20 : 111,582.06 = 45,048.12 : x
2. Step 2: Convert to fraction form
   80,866.20/111,582.06 = 45,048.12/x
3. Step 3: Cross multiply
   80,866.20x = 111,582.06 × 45,048.12
4. Step 4: Simplify right side
   80,866.20x = 5,026,562,028.73
5. Step 5: Solve for x
   x = 5,026,562,028.73/80,866.20
6. Step 6: Final answer
   x = 62,159.00