Finding the Fourth Proportional to 2,180.19, 3,008.52 and 1,296.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180.19 : 3,008.52 = 1,296.06 : x
2. Step 2: Convert to fraction form
   2,180.19/3,008.52 = 1,296.06/x
3. Step 3: Cross multiply
   2,180.19x = 3,008.52 × 1,296.06
4. Step 4: Simplify right side
   2,180.19x = 3,899,222.43
5. Step 5: Solve for x
   x = 3,899,222.43/2,180.19
6. Step 6: Final answer
   x = 1,788.48