Finding the Fourth Proportional to 5,086.71, 7,019.69 and 2,848.46

Step by Step Solution

1. Step 1: Write the proportion equation
   5,086.71 : 7,019.69 = 2,848.46 : x
2. Step 2: Convert to fraction form
   5,086.71/7,019.69 = 2,848.46/x
3. Step 3: Cross multiply
   5,086.71x = 7,019.69 × 2,848.46
4. Step 4: Simplify right side
   5,086.71x = 19,995,256.84
5. Step 5: Solve for x
   x = 19,995,256.84/5,086.71
6. Step 6: Final answer
   x = 3,930.88