Finding the Fourth Proportional to 78,613.74, 108,559.04 and 49,942.62

Step by Step Solution

1. Step 1: Write the proportion equation
   78,613.74 : 108,559.04 = 49,942.62 : x
2. Step 2: Convert to fraction form
   78,613.74/108,559.04 = 49,942.62/x
3. Step 3: Cross multiply
   78,613.74x = 108,559.04 × 49,942.62
4. Step 4: Simplify right side
   78,613.74x = 5,421,722,632.57
5. Step 5: Solve for x
   x = 5,421,722,632.57/78,613.74
6. Step 6: Final answer
   x = 68,966.60