Finding the Fourth Proportional to 3,871.83, 5,347.53 and 2,610.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,871.83 : 5,347.53 = 2,610.72 : x
2. Step 2: Convert to fraction form
   3,871.83/5,347.53 = 2,610.72/x
3. Step 3: Cross multiply
   3,871.83x = 5,347.53 × 2,610.72
4. Step 4: Simplify right side
   3,871.83x = 13,960,903.52
5. Step 5: Solve for x
   x = 13,960,903.52/3,871.83
6. Step 6: Final answer
   x = 3,605.76