Finding the Fourth Proportional to 2,038.82, 2,812.11 and 1,871.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,038.82 : 2,812.11 = 1,871.31 : x
2. Step 2: Convert to fraction form
   2,038.82/2,812.11 = 1,871.31/x
3. Step 3: Cross multiply
   2,038.82x = 2,812.11 × 1,871.31
4. Step 4: Simplify right side
   2,038.82x = 5,262,330.45
5. Step 5: Solve for x
   x = 5,262,330.45/2,038.82
6. Step 6: Final answer
   x = 2,581.07