Finding the Fourth Proportional to 2,308.92, 3,185.57 and 1,314.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.92 : 3,185.57 = 1,314.05 : x
2. Step 2: Convert to fraction form
   2,308.92/3,185.57 = 1,314.05/x
3. Step 3: Cross multiply
   2,308.92x = 3,185.57 × 1,314.05
4. Step 4: Simplify right side
   2,308.92x = 4,185,975.76
5. Step 5: Solve for x
   x = 4,185,975.76/2,308.92
6. Step 6: Final answer
   x = 1,812.96