Finding the Fourth Proportional to 78,851.69, 108,854.39 and 50,199.83

Step by Step Solution

1. Step 1: Write the proportion equation
   78,851.69 : 108,854.39 = 50,199.83 : x
2. Step 2: Convert to fraction form
   78,851.69/108,854.39 = 50,199.83/x
3. Step 3: Cross multiply
   78,851.69x = 108,854.39 × 50,199.83
4. Step 4: Simplify right side
   78,851.69x = 5,464,471,621.75
5. Step 5: Solve for x
   x = 5,464,471,621.75/78,851.69
6. Step 6: Final answer
   x = 69,300.63