Finding the Fourth Proportional to 2,276.71, 3,142.19 and 1,808.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,276.71 : 3,142.19 = 1,808.33 : x
2. Step 2: Convert to fraction form
   2,276.71/3,142.19 = 1,808.33/x
3. Step 3: Cross multiply
   2,276.71x = 3,142.19 × 1,808.33
4. Step 4: Simplify right side
   2,276.71x = 5,682,105.25
5. Step 5: Solve for x
   x = 5,682,105.25/2,276.71
6. Step 6: Final answer
   x = 2,495.76