Finding the Fourth Proportional to 5,086.99, 7,019.86 and 2,848.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,086.99 : 7,019.86 = 2,848.76 : x
2. Step 2: Convert to fraction form
   5,086.99/7,019.86 = 2,848.76/x
3. Step 3: Cross multiply
   5,086.99x = 7,019.86 × 2,848.76
4. Step 4: Simplify right side
   5,086.99x = 19,997,896.37
5. Step 5: Solve for x
   x = 19,997,896.37/5,086.99
6. Step 6: Final answer
   x = 3,931.18