Finding the Fourth Proportional to 2,650.78, 3,658.06 and 1,471.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.78 : 3,658.06 = 1,471.85 : x
2. Step 2: Convert to fraction form
   2,650.78/3,658.06 = 1,471.85/x
3. Step 3: Cross multiply
   2,650.78x = 3,658.06 × 1,471.85
4. Step 4: Simplify right side
   2,650.78x = 5,384,102.79
5. Step 5: Solve for x
   x = 5,384,102.79/2,650.78
6. Step 6: Final answer
   x = 2,031.14