Finding the Fourth Proportional to 2,107.71, 2,908.35 and 1,268.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107.71 : 2,908.35 = 1,268.75 : x
2. Step 2: Convert to fraction form
   2,107.71/2,908.35 = 1,268.75/x
3. Step 3: Cross multiply
   2,107.71x = 2,908.35 × 1,268.75
4. Step 4: Simplify right side
   2,107.71x = 3,689,954.52
5. Step 5: Solve for x
   x = 3,689,954.52/2,107.71
6. Step 6: Final answer
   x = 1,750.69