Finding the Fourth Proportional to 2,182.76, 3,266.56 and 1,788.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182.76 : 3,266.56 = 1,788.20 : x
2. Step 2: Convert to fraction form
   2,182.76/3,266.56 = 1,788.20/x
3. Step 3: Cross multiply
   2,182.76x = 3,266.56 × 1,788.20
4. Step 4: Simplify right side
   2,182.76x = 5,841,262.59
5. Step 5: Solve for x
   x = 5,841,262.59/2,182.76
6. Step 6: Final answer
   x = 2,676.09