Finding the Fourth Proportional to 3,650.81, 5,031.11 and 2,601.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,650.81 : 5,031.11 = 2,601.05 : x
2. Step 2: Convert to fraction form
   3,650.81/5,031.11 = 2,601.05/x
3. Step 3: Cross multiply
   3,650.81x = 5,031.11 × 2,601.05
4. Step 4: Simplify right side
   3,650.81x = 13,086,150.01
5. Step 5: Solve for x
   x = 13,086,150.01/3,650.81
6. Step 6: Final answer
   x = 3,584.46