Finding the Fourth Proportional to 78,745.50, 108,668.79 and 50,467.59

Step by Step Solution

1. Step 1: Write the proportion equation
   78,745.50 : 108,668.79 = 50,467.59 : x
2. Step 2: Convert to fraction form
   78,745.50/108,668.79 = 50,467.59/x
3. Step 3: Cross multiply
   78,745.50x = 108,668.79 × 50,467.59
4. Step 4: Simplify right side
   78,745.50x = 5,484,251,939.52
5. Step 5: Solve for x
   x = 5,484,251,939.52/78,745.50
6. Step 6: Final answer
   x = 69,645.27