Finding the Fourth Proportional to 5,144.30, 7,099.04 and 2,786.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,144.30 : 7,099.04 = 2,786.42 : x
2. Step 2: Convert to fraction form
   5,144.30/7,099.04 = 2,786.42/x
3. Step 3: Cross multiply
   5,144.30x = 7,099.04 × 2,786.42
4. Step 4: Simplify right side
   5,144.30x = 19,780,907.04
5. Step 5: Solve for x
   x = 19,780,907.04/5,144.30
6. Step 6: Final answer
   x = 3,845.21