Finding the Fourth Proportional to 71,016.24, 98,143.47 and 58,249.56

Step by Step Solution

1. Step 1: Write the proportion equation
   71,016.24 : 98,143.47 = 58,249.56 : x
2. Step 2: Convert to fraction form
   71,016.24/98,143.47 = 58,249.56/x
3. Step 3: Cross multiply
   71,016.24x = 98,143.47 × 58,249.56
4. Step 4: Simplify right side
   71,016.24x = 5,716,813,944.37
5. Step 5: Solve for x
   x = 5,716,813,944.37/71,016.24
6. Step 6: Final answer
   x = 80,500.09