Finding the Fourth Proportional to 2,106.27, 3,170.40 and 1,789.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106.27 : 3,170.40 = 1,789.17 : x
2. Step 2: Convert to fraction form
   2,106.27/3,170.40 = 1,789.17/x
3. Step 3: Cross multiply
   2,106.27x = 3,170.40 × 1,789.17
4. Step 4: Simplify right side
   2,106.27x = 5,672,384.57
5. Step 5: Solve for x
   x = 5,672,384.57/2,106.27
6. Step 6: Final answer
   x = 2,693.09