Finding the Fourth Proportional to 2,305.04, 3,180.61 and 1,296.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,305.04 : 3,180.61 = 1,296.56 : x
2. Step 2: Convert to fraction form
   2,305.04/3,180.61 = 1,296.56/x
3. Step 3: Cross multiply
   2,305.04x = 3,180.61 × 1,296.56
4. Step 4: Simplify right side
   2,305.04x = 4,123,851.70
5. Step 5: Solve for x
   x = 4,123,851.70/2,305.04
6. Step 6: Final answer
   x = 1,789.06