Finding the Fourth Proportional to 79,269.76, 109,403.40 and 49,064.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,269.76 : 109,403.40 = 49,064.72 : x
2. Step 2: Convert to fraction form
   79,269.76/109,403.40 = 49,064.72/x
3. Step 3: Cross multiply
   79,269.76x = 109,403.40 × 49,064.72
4. Step 4: Simplify right side
   79,269.76x = 5,367,847,188.05
5. Step 5: Solve for x
   x = 5,367,847,188.05/79,269.76
6. Step 6: Final answer
   x = 67,716.20