Finding the Fourth Proportional to 4,870.35, 7,310.34 and 3,288.87

Step by Step Solution

1. Step 1: Write the proportion equation
   4,870.35 : 7,310.34 = 3,288.87 : x
2. Step 2: Convert to fraction form
   4,870.35/7,310.34 = 3,288.87/x
3. Step 3: Cross multiply
   4,870.35x = 7,310.34 × 3,288.87
4. Step 4: Simplify right side
   4,870.35x = 24,042,757.92
5. Step 5: Solve for x
   x = 24,042,757.92/4,870.35
6. Step 6: Final answer
   x = 4,936.56