Finding the Fourth Proportional to 2,180.27, 3,008.81 and 1,296.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180.27 : 3,008.81 = 1,296.06 : x
2. Step 2: Convert to fraction form
   2,180.27/3,008.81 = 1,296.06/x
3. Step 3: Cross multiply
   2,180.27x = 3,008.81 × 1,296.06
4. Step 4: Simplify right side
   2,180.27x = 3,899,591.81
5. Step 5: Solve for x
   x = 3,899,591.81/2,180.27
6. Step 6: Final answer
   x = 1,788.59