Finding the Fourth Proportional to 2,662.57, 3,995.53 and 1,839.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.57 : 3,995.53 = 1,839.31 : x
2. Step 2: Convert to fraction form
   2,662.57/3,995.53 = 1,839.31/x
3. Step 3: Cross multiply
   2,662.57x = 3,995.53 × 1,839.31
4. Step 4: Simplify right side
   2,662.57x = 7,349,003.70
5. Step 5: Solve for x
   x = 7,349,003.70/2,662.57
6. Step 6: Final answer
   x = 2,760.12