Finding the Fourth Proportional to 78,732.46, 108,651.14 and 50,454.55

Step by Step Solution

1. Step 1: Write the proportion equation
   78,732.46 : 108,651.14 = 50,454.55 : x
2. Step 2: Convert to fraction form
   78,732.46/108,651.14 = 50,454.55/x
3. Step 3: Cross multiply
   78,732.46x = 108,651.14 × 50,454.55
4. Step 4: Simplify right side
   78,732.46x = 5,481,944,375.69
5. Step 5: Solve for x
   x = 5,481,944,375.69/78,732.46
6. Step 6: Final answer
   x = 69,627.50