Finding the Fourth Proportional to 2,097.57, 3,142.71 and 1,871.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.57 : 3,142.71 = 1,871.58 : x
2. Step 2: Convert to fraction form
   2,097.57/3,142.71 = 1,871.58/x
3. Step 3: Cross multiply
   2,097.57x = 3,142.71 × 1,871.58
4. Step 4: Simplify right side
   2,097.57x = 5,881,833.18
5. Step 5: Solve for x
   x = 5,881,833.18/2,097.57
6. Step 6: Final answer
   x = 2,804.12