Finding the Fourth Proportional to 79,874.72, 119,811.36 and 30,626.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,874.72 : 119,811.36 = 30,626.72 : x
2. Step 2: Convert to fraction form
   79,874.72/119,811.36 = 30,626.72/x
3. Step 3: Cross multiply
   79,874.72x = 119,811.36 × 30,626.72
4. Step 4: Simplify right side
   79,874.72x = 3,669,428,975.54
5. Step 5: Solve for x
   x = 3,669,428,975.54/79,874.72
6. Step 6: Final answer
   x = 45,939.80