Finding the Fourth Proportional to 1,995.57, 2,983.50 and 1,690.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,995.57 : 2,983.50 = 1,690.83 : x
2. Step 2: Convert to fraction form
   1,995.57/2,983.50 = 1,690.83/x
3. Step 3: Cross multiply
   1,995.57x = 2,983.50 × 1,690.83
4. Step 4: Simplify right side
   1,995.57x = 5,044,591.31
5. Step 5: Solve for x
   x = 5,044,591.31/1,995.57
6. Step 6: Final answer
   x = 2,527.89