Finding the Fourth Proportional to 79,359.82, 109,486.68 and 50,680.56

Step by Step Solution

1. Step 1: Write the proportion equation
   79,359.82 : 109,486.68 = 50,680.56 : x
2. Step 2: Convert to fraction form
   79,359.82/109,486.68 = 50,680.56/x
3. Step 3: Cross multiply
   79,359.82x = 109,486.68 × 50,680.56
4. Step 4: Simplify right side
   79,359.82x = 5,548,846,254.94
5. Step 5: Solve for x
   x = 5,548,846,254.94/79,359.82
6. Step 6: Final answer
   x = 69,920.10