Finding the Fourth Proportional to 3,131.04, 4,674.12 and 2,475.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,131.04 : 4,674.12 = 2,475.12 : x
2. Step 2: Convert to fraction form
   3,131.04/4,674.12 = 2,475.12/x
3. Step 3: Cross multiply
   3,131.04x = 4,674.12 × 2,475.12
4. Step 4: Simplify right side
   3,131.04x = 11,569,007.89
5. Step 5: Solve for x
   x = 11,569,007.89/3,131.04
6. Step 6: Final answer
   x = 3,694.94