Finding the Fourth Proportional to 2,099.01, 3,149.20 and 1,003.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099.01 : 3,149.20 = 1,003.23 : x
2. Step 2: Convert to fraction form
   2,099.01/3,149.20 = 1,003.23/x
3. Step 3: Cross multiply
   2,099.01x = 3,149.20 × 1,003.23
4. Step 4: Simplify right side
   2,099.01x = 3,159,371.92
5. Step 5: Solve for x
   x = 3,159,371.92/2,099.01
6. Step 6: Final answer
   x = 1,505.17