Finding the Fourth Proportional to 108,786.24, 150,086.52 and 71,082.36

Step by Step Solution

1. Step 1: Write the proportion equation
   108,786.24 : 150,086.52 = 71,082.36 : x
2. Step 2: Convert to fraction form
   108,786.24/150,086.52 = 71,082.36/x
3. Step 3: Cross multiply
   108,786.24x = 150,086.52 × 71,082.36
4. Step 4: Simplify right side
   108,786.24x = 10,668,504,045.79
5. Step 5: Solve for x
   x = 10,668,504,045.79/108,786.24
6. Step 6: Final answer
   x = 98,068.51