Finding the Fourth Proportional to 5,100.57, 7,038.77 and 2,862.45

Step by Step Solution

1. Step 1: Write the proportion equation
   5,100.57 : 7,038.77 = 2,862.45 : x
2. Step 2: Convert to fraction form
   5,100.57/7,038.77 = 2,862.45/x
3. Step 3: Cross multiply
   5,100.57x = 7,038.77 × 2,862.45
4. Step 4: Simplify right side
   5,100.57x = 20,148,112.87
5. Step 5: Solve for x
   x = 20,148,112.87/5,100.57
6. Step 6: Final answer
   x = 3,950.17