Finding the Fourth Proportional to 78,367.99, 108,172.38 and 50,073.61

Step by Step Solution

1. Step 1: Write the proportion equation
   78,367.99 : 108,172.38 = 50,073.61 : x
2. Step 2: Convert to fraction form
   78,367.99/108,172.38 = 50,073.61/x
3. Step 3: Cross multiply
   78,367.99x = 108,172.38 × 50,073.61
4. Step 4: Simplify right side
   78,367.99x = 5,416,581,568.89
5. Step 5: Solve for x
   x = 5,416,581,568.89/78,367.99
6. Step 6: Final answer
   x = 69,117.27