Finding the Fourth Proportional to 80,802.48, 111,562.16 and 50,599.92

Step by Step Solution

1. Step 1: Write the proportion equation
   80,802.48 : 111,562.16 = 50,599.92 : x
2. Step 2: Convert to fraction form
   80,802.48/111,562.16 = 50,599.92/x
3. Step 3: Cross multiply
   80,802.48x = 111,562.16 × 50,599.92
4. Step 4: Simplify right side
   80,802.48x = 5,645,036,371.03
5. Step 5: Solve for x
   x = 5,645,036,371.03/80,802.48
6. Step 6: Final answer
   x = 69,862.17