Finding the Fourth Proportional to 5,086.75, 7,018.89 and 2,848.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,086.75 : 7,018.89 = 2,848.72 : x
2. Step 2: Convert to fraction form
   5,086.75/7,018.89 = 2,848.72/x
3. Step 3: Cross multiply
   5,086.75x = 7,018.89 × 2,848.72
4. Step 4: Simplify right side
   5,086.75x = 19,994,817.23
5. Step 5: Solve for x
   x = 19,994,817.23/5,086.75
6. Step 6: Final answer
   x = 3,930.77