Finding the Fourth Proportional to 79,983.56, 120,049.14 and 40,568.35

Step by Step Solution

1. Step 1: Write the proportion equation
   79,983.56 : 120,049.14 = 40,568.35 : x
2. Step 2: Convert to fraction form
   79,983.56/120,049.14 = 40,568.35/x
3. Step 3: Cross multiply
   79,983.56x = 120,049.14 × 40,568.35
4. Step 4: Simplify right side
   79,983.56x = 4,870,195,528.72
5. Step 5: Solve for x
   x = 4,870,195,528.72/79,983.56
6. Step 6: Final answer
   x = 60,889.96