Finding the Fourth Proportional to 78,796.62, 108,719.96 and 50,540.58

Step by Step Solution

1. Step 1: Write the proportion equation
   78,796.62 : 108,719.96 = 50,540.58 : x
2. Step 2: Convert to fraction form
   78,796.62/108,719.96 = 50,540.58/x
3. Step 3: Cross multiply
   78,796.62x = 108,719.96 × 50,540.58
4. Step 4: Simplify right side
   78,796.62x = 5,494,769,583.27
5. Step 5: Solve for x
   x = 5,494,769,583.27/78,796.62
6. Step 6: Final answer
   x = 69,733.57