Finding the Fourth Proportional to 31,048.72, 46,571.76 and 7,674.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,048.72 : 46,571.76 = 7,674.56 : x
2. Step 2: Convert to fraction form
   31,048.72/46,571.76 = 7,674.56/x
3. Step 3: Cross multiply
   31,048.72x = 46,571.76 × 7,674.56
4. Step 4: Simplify right side
   31,048.72x = 357,417,766.43
5. Step 5: Solve for x
   x = 357,417,766.43/31,048.72
6. Step 6: Final answer
   x = 11,511.51