Finding the Fourth Proportional to 78,696.87, 108,582.44 and 50,440.83

Step by Step Solution

1. Step 1: Write the proportion equation
   78,696.87 : 108,582.44 = 50,440.83 : x
2. Step 2: Convert to fraction form
   78,696.87/108,582.44 = 50,440.83/x
3. Step 3: Cross multiply
   78,696.87x = 108,582.44 × 50,440.83
4. Step 4: Simplify right side
   78,696.87x = 5,476,988,144.82
5. Step 5: Solve for x
   x = 5,476,988,144.82/78,696.87
6. Step 6: Final answer
   x = 69,596.01