Finding the Fourth Proportional to 1,789.10, 2,697.06 and 1,670.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,789.10 : 2,697.06 = 1,670.16 : x
2. Step 2: Convert to fraction form
   1,789.10/2,697.06 = 1,670.16/x
3. Step 3: Cross multiply
   1,789.10x = 2,697.06 × 1,670.16
4. Step 4: Simplify right side
   1,789.10x = 4,504,521.73
5. Step 5: Solve for x
   x = 4,504,521.73/1,789.10
6. Step 6: Final answer
   x = 2,517.76