Finding the Fourth Proportional to 2,013.49, 2,777.22 and 1,945.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.49 : 2,777.22 = 1,945.76 : x
2. Step 2: Convert to fraction form
   2,013.49/2,777.22 = 1,945.76/x
3. Step 3: Cross multiply
   2,013.49x = 2,777.22 × 1,945.76
4. Step 4: Simplify right side
   2,013.49x = 5,403,786.92
5. Step 5: Solve for x
   x = 5,403,786.92/2,013.49
6. Step 6: Final answer
   x = 2,683.79