Finding the Fourth Proportional to 5,074.72, 7,002.72 and 2,836.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,074.72 : 7,002.72 = 2,836.56 : x
2. Step 2: Convert to fraction form
   5,074.72/7,002.72 = 2,836.56/x
3. Step 3: Cross multiply
   5,074.72x = 7,002.72 × 2,836.56
4. Step 4: Simplify right side
   5,074.72x = 19,863,635.44
5. Step 5: Solve for x
   x = 19,863,635.44/5,074.72
6. Step 6: Final answer
   x = 3,914.23