Finding the Fourth Proportional to 2,003.64, 3,002.73 and 1,271.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.64 : 3,002.73 = 1,271.91 : x
2. Step 2: Convert to fraction form
   2,003.64/3,002.73 = 1,271.91/x
3. Step 3: Cross multiply
   2,003.64x = 3,002.73 × 1,271.91
4. Step 4: Simplify right side
   2,003.64x = 3,819,202.31
5. Step 5: Solve for x
   x = 3,819,202.31/2,003.64
6. Step 6: Final answer
   x = 1,906.13