Finding the Fourth Proportional to 78,762.87, 108,673.47 and 50,506.83

Step by Step Solution

1. Step 1: Write the proportion equation
   78,762.87 : 108,673.47 = 50,506.83 : x
2. Step 2: Convert to fraction form
   78,762.87/108,673.47 = 50,506.83/x
3. Step 3: Cross multiply
   78,762.87x = 108,673.47 × 50,506.83
4. Step 4: Simplify right side
   78,762.87x = 5,488,752,474.80
5. Step 5: Solve for x
   x = 5,488,752,474.80/78,762.87
6. Step 6: Final answer
   x = 69,687.06