Finding the Fourth Proportional to 79,426.77, 109,628.78 and 49,193.97

Step by Step Solution

1. Step 1: Write the proportion equation
   79,426.77 : 109,628.78 = 49,193.97 : x
2. Step 2: Convert to fraction form
   79,426.77/109,628.78 = 49,193.97/x
3. Step 3: Cross multiply
   79,426.77x = 109,628.78 × 49,193.97
4. Step 4: Simplify right side
   79,426.77x = 5,393,074,668.49
5. Step 5: Solve for x
   x = 5,393,074,668.49/79,426.77
6. Step 6: Final answer
   x = 67,899.96