Finding the Fourth Proportional to 2,002.02, 3,005.00 and 1,272.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.02 : 3,005.00 = 1,272.11 : x
2. Step 2: Convert to fraction form
   2,002.02/3,005.00 = 1,272.11/x
3. Step 3: Cross multiply
   2,002.02x = 3,005.00 × 1,272.11
4. Step 4: Simplify right side
   2,002.02x = 3,822,673.93
5. Step 5: Solve for x
   x = 3,822,673.93/2,002.02
6. Step 6: Final answer
   x = 1,909.41