Finding the Fourth Proportional to 2,003.82, 3,003.90 and 1,353.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.82 : 3,003.90 = 1,353.20 : x
2. Step 2: Convert to fraction form
   2,003.82/3,003.90 = 1,353.20/x
3. Step 3: Cross multiply
   2,003.82x = 3,003.90 × 1,353.20
4. Step 4: Simplify right side
   2,003.82x = 4,064,862.46
5. Step 5: Solve for x
   x = 4,064,862.46/2,003.82
6. Step 6: Final answer
   x = 2,028.56