Finding the Fourth Proportional to 79,629.84, 109,843.47 and 49,770

Step by Step Solution

1. Step 1: Write the proportion equation
   79,629.84 : 109,843.47 = 49,770 : x
2. Step 2: Convert to fraction form
   79,629.84/109,843.47 = 49,770/x
3. Step 3: Cross multiply
   79,629.84x = 109,843.47 × 49,770
4. Step 4: Simplify right side
   79,629.84x = 5,466,909,501.90
5. Step 5: Solve for x
   x = 5,466,909,501.90/79,629.84
6. Step 6: Final answer
   x = 68,654.03