Finding the Fourth Proportional to 5,087.18, 7,019.52 and 2,849.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,087.18 : 7,019.52 = 2,849.15 : x
2. Step 2: Convert to fraction form
   5,087.18/7,019.52 = 2,849.15/x
3. Step 3: Cross multiply
   5,087.18x = 7,019.52 × 2,849.15
4. Step 4: Simplify right side
   5,087.18x = 19,999,665.41
5. Step 5: Solve for x
   x = 19,999,665.41/5,087.18
6. Step 6: Final answer
   x = 3,931.39