Finding the Fourth Proportional to 2,002.02, 3,003.93 and 1,271.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.02 : 3,003.93 = 1,271.40 : x
2. Step 2: Convert to fraction form
   2,002.02/3,003.93 = 1,271.40/x
3. Step 3: Cross multiply
   2,002.02x = 3,003.93 × 1,271.40
4. Step 4: Simplify right side
   2,002.02x = 3,819,196.60
5. Step 5: Solve for x
   x = 3,819,196.60/2,002.02
6. Step 6: Final answer
   x = 1,907.67