Finding the Fourth Proportional to 5,076.56, 7,005.56 and 2,868.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,076.56 : 7,005.56 = 2,868.56 : x
2. Step 2: Convert to fraction form
   5,076.56/7,005.56 = 2,868.56/x
3. Step 3: Cross multiply
   5,076.56x = 7,005.56 × 2,868.56
4. Step 4: Simplify right side
   5,076.56x = 20,095,869.19
5. Step 5: Solve for x
   x = 20,095,869.19/5,076.56
6. Step 6: Final answer
   x = 3,958.56