Finding the Fourth Proportional to 2,308.24, 3,184.77 and 1,313.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.24 : 3,184.77 = 1,313.38 : x
2. Step 2: Convert to fraction form
   2,308.24/3,184.77 = 1,313.38/x
3. Step 3: Cross multiply
   2,308.24x = 3,184.77 × 1,313.38
4. Step 4: Simplify right side
   2,308.24x = 4,182,813.22
5. Step 5: Solve for x
   x = 4,182,813.22/2,308.24
6. Step 6: Final answer
   x = 1,812.12