Finding the Fourth Proportional to 2,013.95, 3,017.17 and 1,271.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.95 : 3,017.17 = 1,271.97 : x
2. Step 2: Convert to fraction form
   2,013.95/3,017.17 = 1,271.97/x
3. Step 3: Cross multiply
   2,013.95x = 3,017.17 × 1,271.97
4. Step 4: Simplify right side
   2,013.95x = 3,837,749.72
5. Step 5: Solve for x
   x = 3,837,749.72/2,013.95
6. Step 6: Final answer
   x = 1,905.58