Finding the Fourth Proportional to 2,862.05, 3,951.86 and 2,300.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,862.05 : 3,951.86 = 2,300.72 : x
2. Step 2: Convert to fraction form
   2,862.05/3,951.86 = 2,300.72/x
3. Step 3: Cross multiply
   2,862.05x = 3,951.86 × 2,300.72
4. Step 4: Simplify right side
   2,862.05x = 9,092,092.08
5. Step 5: Solve for x
   x = 9,092,092.08/2,862.05
6. Step 6: Final answer
   x = 3,176.78