Finding the Fourth Proportional to 78,759.27, 108,668.39 and 48,124.53

Step by Step Solution

1. Step 1: Write the proportion equation
   78,759.27 : 108,668.39 = 48,124.53 : x
2. Step 2: Convert to fraction form
   78,759.27/108,668.39 = 48,124.53/x
3. Step 3: Cross multiply
   78,759.27x = 108,668.39 × 48,124.53
4. Step 4: Simplify right side
   78,759.27x = 5,229,614,953.98
5. Step 5: Solve for x
   x = 5,229,614,953.98/78,759.27
6. Step 6: Final answer
   x = 66,399.99