Finding the Fourth Proportional to 2,610.79, 3,606.34 and 1,946.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.79 : 3,606.34 = 1,946.49 : x
2. Step 2: Convert to fraction form
   2,610.79/3,606.34 = 1,946.49/x
3. Step 3: Cross multiply
   2,610.79x = 3,606.34 × 1,946.49
4. Step 4: Simplify right side
   2,610.79x = 7,019,704.75
5. Step 5: Solve for x
   x = 7,019,704.75/2,610.79
6. Step 6: Final answer
   x = 2,688.73