Finding the Fourth Proportional to 2,823.99, 4,231.89 and 2,003.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,823.99 : 4,231.89 = 2,003.87 : x
2. Step 2: Convert to fraction form
   2,823.99/4,231.89 = 2,003.87/x
3. Step 3: Cross multiply
   2,823.99x = 4,231.89 × 2,003.87
4. Step 4: Simplify right side
   2,823.99x = 8,480,136.25
5. Step 5: Solve for x
   x = 8,480,136.25/2,823.99
6. Step 6: Final answer
   x = 3,002.89