Finding the Fourth Proportional to 2,087.97, 3,130.73 and 1,395.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087.97 : 3,130.73 = 1,395.42 : x
2. Step 2: Convert to fraction form
   2,087.97/3,130.73 = 1,395.42/x
3. Step 3: Cross multiply
   2,087.97x = 3,130.73 × 1,395.42
4. Step 4: Simplify right side
   2,087.97x = 4,368,683.26
5. Step 5: Solve for x
   x = 4,368,683.26/2,087.97
6. Step 6: Final answer
   x = 2,092.31