Finding the Fourth Proportional to 2,119.64, 3,166.05 and 1,791.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,119.64 : 3,166.05 = 1,791.59 : x
2. Step 2: Convert to fraction form
   2,119.64/3,166.05 = 1,791.59/x
3. Step 3: Cross multiply
   2,119.64x = 3,166.05 × 1,791.59
4. Step 4: Simplify right side
   2,119.64x = 5,672,254.41
5. Step 5: Solve for x
   x = 5,672,254.41/2,119.64
6. Step 6: Final answer
   x = 2,676.05