Finding the Fourth Proportional to 84,650.24, 126,983.86 and 31,356.56

Step by Step Solution

1. Step 1: Write the proportion equation
   84,650.24 : 126,983.86 = 31,356.56 : x
2. Step 2: Convert to fraction form
   84,650.24/126,983.86 = 31,356.56/x
3. Step 3: Cross multiply
   84,650.24x = 126,983.86 × 31,356.56
4. Step 4: Simplify right side
   84,650.24x = 3,981,777,025.12
5. Step 5: Solve for x
   x = 3,981,777,025.12/84,650.24
6. Step 6: Final answer
   x = 47,037.99