Finding the Fourth Proportional to 5,100.97, 7,039.33 and 2,862.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,100.97 : 7,039.33 = 2,862.89 : x
2. Step 2: Convert to fraction form
   5,100.97/7,039.33 = 2,862.89/x
3. Step 3: Cross multiply
   5,100.97x = 7,039.33 × 2,862.89
4. Step 4: Simplify right side
   5,100.97x = 20,152,785.11
5. Step 5: Solve for x
   x = 20,152,785.11/5,100.97
6. Step 6: Final answer
   x = 3,950.78