Finding the Fourth Proportional to 2,870.27, 3,960.78 and 1,751.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.27 : 3,960.78 = 1,751.79 : x
2. Step 2: Convert to fraction form
   2,870.27/3,960.78 = 1,751.79/x
3. Step 3: Cross multiply
   2,870.27x = 3,960.78 × 1,751.79
4. Step 4: Simplify right side
   2,870.27x = 6,938,454.80
5. Step 5: Solve for x
   x = 6,938,454.80/2,870.27
6. Step 6: Final answer
   x = 2,417.36