Finding the Fourth Proportional to 2,310.59, 3,187.81 and 1,808.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,310.59 : 3,187.81 = 1,808.25 : x
2. Step 2: Convert to fraction form
   2,310.59/3,187.81 = 1,808.25/x
3. Step 3: Cross multiply
   2,310.59x = 3,187.81 × 1,808.25
4. Step 4: Simplify right side
   2,310.59x = 5,764,352.91
5. Step 5: Solve for x
   x = 5,764,352.91/2,310.59
6. Step 6: Final answer
   x = 2,494.76