Finding the Fourth Proportional to 5,100.94, 7,039.34 and 2,862.87

Step by Step Solution

1. Step 1: Write the proportion equation
   5,100.94 : 7,039.34 = 2,862.87 : x
2. Step 2: Convert to fraction form
   5,100.94/7,039.34 = 2,862.87/x
3. Step 3: Cross multiply
   5,100.94x = 7,039.34 × 2,862.87
4. Step 4: Simplify right side
   5,100.94x = 20,152,715.31
5. Step 5: Solve for x
   x = 20,152,715.31/5,100.94
6. Step 6: Final answer
   x = 3,950.78