Finding the Fourth Proportional to 3,513.50, 5,273.44 and 1,871.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,513.50 : 5,273.44 = 1,871.42 : x
2. Step 2: Convert to fraction form
   3,513.50/5,273.44 = 1,871.42/x
3. Step 3: Cross multiply
   3,513.50x = 5,273.44 × 1,871.42
4. Step 4: Simplify right side
   3,513.50x = 9,868,829.59
5. Step 5: Solve for x
   x = 9,868,829.59/3,513.50
6. Step 6: Final answer
   x = 2,808.84