Finding the Fourth Proportional to 2,064.68, 2,846.82 and 1,690.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.68 : 2,846.82 = 1,690.28 : x
2. Step 2: Convert to fraction form
   2,064.68/2,846.82 = 1,690.28/x
3. Step 3: Cross multiply
   2,064.68x = 2,846.82 × 1,690.28
4. Step 4: Simplify right side
   2,064.68x = 4,811,922.91
5. Step 5: Solve for x
   x = 4,811,922.91/2,064.68
6. Step 6: Final answer
   x = 2,330.59