Finding the Fourth Proportional to 5,106.55, 7,046.78 and 2,868.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,106.55 : 7,046.78 = 2,868.52 : x
2. Step 2: Convert to fraction form
   5,106.55/7,046.78 = 2,868.52/x
3. Step 3: Cross multiply
   5,106.55x = 7,046.78 × 2,868.52
4. Step 4: Simplify right side
   5,106.55x = 20,213,815.02
5. Step 5: Solve for x
   x = 20,213,815.02/5,106.55
6. Step 6: Final answer
   x = 3,958.41