Finding the Fourth Proportional to 2,650.72, 3,658.12 and 1,471.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.72 : 3,658.12 = 1,471.80 : x
2. Step 2: Convert to fraction form
   2,650.72/3,658.12 = 1,471.80/x
3. Step 3: Cross multiply
   2,650.72x = 3,658.12 × 1,471.80
4. Step 4: Simplify right side
   2,650.72x = 5,384,021.02
5. Step 5: Solve for x
   x = 5,384,021.02/2,650.72
6. Step 6: Final answer
   x = 2,031.15