Finding the Fourth Proportional to 79,284.29, 109,469.72 and 51,039.18

Step by Step Solution

1. Step 1: Write the proportion equation
   79,284.29 : 109,469.72 = 51,039.18 : x
2. Step 2: Convert to fraction form
   79,284.29/109,469.72 = 51,039.18/x
3. Step 3: Cross multiply
   79,284.29x = 109,469.72 × 51,039.18
4. Step 4: Simplify right side
   79,284.29x = 5,587,244,488.43
5. Step 5: Solve for x
   x = 5,587,244,488.43/79,284.29
6. Step 6: Final answer
   x = 70,471.02