Finding the Fourth Proportional to 2,005.55, 3,004.11 and 1,271.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,005.55 : 3,004.11 = 1,271.48 : x
2. Step 2: Convert to fraction form
   2,005.55/3,004.11 = 1,271.48/x
3. Step 3: Cross multiply
   2,005.55x = 3,004.11 × 1,271.48
4. Step 4: Simplify right side
   2,005.55x = 3,819,650.76
5. Step 5: Solve for x
   x = 3,819,650.76/2,005.55
6. Step 6: Final answer
   x = 1,904.55