Finding the Fourth Proportional to 3,501.50, 4,839.03 and 2,871.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,501.50 : 4,839.03 = 2,871.05 : x
2. Step 2: Convert to fraction form
   3,501.50/4,839.03 = 2,871.05/x
3. Step 3: Cross multiply
   3,501.50x = 4,839.03 × 2,871.05
4. Step 4: Simplify right side
   3,501.50x = 13,893,072.89
5. Step 5: Solve for x
   x = 13,893,072.89/3,501.50
6. Step 6: Final answer
   x = 3,967.75