Finding the Fourth Proportional to 2,308.28, 3,184.98 and 1,313.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.28 : 3,184.98 = 1,313.24 : x
2. Step 2: Convert to fraction form
   2,308.28/3,184.98 = 1,313.24/x
3. Step 3: Cross multiply
   2,308.28x = 3,184.98 × 1,313.24
4. Step 4: Simplify right side
   2,308.28x = 4,182,643.14
5. Step 5: Solve for x
   x = 4,182,643.14/2,308.28
6. Step 6: Final answer
   x = 1,812.02