Finding the Fourth Proportional to 3,086.62, 4,628.31 and 2,315.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,086.62 : 4,628.31 = 2,315.50 : x
2. Step 2: Convert to fraction form
   3,086.62/4,628.31 = 2,315.50/x
3. Step 3: Cross multiply
   3,086.62x = 4,628.31 × 2,315.50
4. Step 4: Simplify right side
   3,086.62x = 10,716,851.81
5. Step 5: Solve for x
   x = 10,716,851.81/3,086.62
6. Step 6: Final answer
   x = 3,472.03