Finding the Fourth Proportional to 2,003.35, 3,005.16 and 1,271.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.35 : 3,005.16 = 1,271.92 : x
2. Step 2: Convert to fraction form
   2,003.35/3,005.16 = 1,271.92/x
3. Step 3: Cross multiply
   2,003.35x = 3,005.16 × 1,271.92
4. Step 4: Simplify right side
   2,003.35x = 3,822,323.11
5. Step 5: Solve for x
   x = 3,822,323.11/2,003.35
6. Step 6: Final answer
   x = 1,907.97