Finding the Fourth Proportional to 2,660.54, 3,670.46 and 1,610.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,660.54 : 3,670.46 = 1,610.78 : x
2. Step 2: Convert to fraction form
   2,660.54/3,670.46 = 1,610.78/x
3. Step 3: Cross multiply
   2,660.54x = 3,670.46 × 1,610.78
4. Step 4: Simplify right side
   2,660.54x = 5,912,277.15
5. Step 5: Solve for x
   x = 5,912,277.15/2,660.54
6. Step 6: Final answer
   x = 2,222.21