Finding the Fourth Proportional to 2,106.95, 3,152.68 and 1,271.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106.95 : 3,152.68 = 1,271.03 : x
2. Step 2: Convert to fraction form
   2,106.95/3,152.68 = 1,271.03/x
3. Step 3: Cross multiply
   2,106.95x = 3,152.68 × 1,271.03
4. Step 4: Simplify right side
   2,106.95x = 4,007,155.56
5. Step 5: Solve for x
   x = 4,007,155.56/2,106.95
6. Step 6: Final answer
   x = 1,901.87