Finding the Fourth Proportional to 79,496.82, 109,674.18 and 51,219

Step by Step Solution

1. Step 1: Write the proportion equation
   79,496.82 : 109,674.18 = 51,219 : x
2. Step 2: Convert to fraction form
   79,496.82/109,674.18 = 51,219/x
3. Step 3: Cross multiply
   79,496.82x = 109,674.18 × 51,219
4. Step 4: Simplify right side
   79,496.82x = 5,617,401,825.42
5. Step 5: Solve for x
   x = 5,617,401,825.42/79,496.82
6. Step 6: Final answer
   x = 70,661.97