Finding the Fourth Proportional to 79,245.68, 109,370.23 and 49,040.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,245.68 : 109,370.23 = 49,040.72 : x
2. Step 2: Convert to fraction form
   79,245.68/109,370.23 = 49,040.72/x
3. Step 3: Cross multiply
   79,245.68x = 109,370.23 × 49,040.72
4. Step 4: Simplify right side
   79,245.68x = 5,363,594,825.77
5. Step 5: Solve for x
   x = 5,363,594,825.77/79,245.68
6. Step 6: Final answer
   x = 67,683.12