Finding the Fourth Proportional to 5,100.62, 7,038.43 and 2,862.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,100.62 : 7,038.43 = 2,862.18 : x
2. Step 2: Convert to fraction form
   5,100.62/7,038.43 = 2,862.18/x
3. Step 3: Cross multiply
   5,100.62x = 7,038.43 × 2,862.18
4. Step 4: Simplify right side
   5,100.62x = 20,145,253.58
5. Step 5: Solve for x
   x = 20,145,253.58/5,100.62
6. Step 6: Final answer
   x = 3,949.57