Finding the Fourth Proportional to 4,864.57, 7,290.69 and 3,108.88

Step by Step Solution

1. Step 1: Write the proportion equation
   4,864.57 : 7,290.69 = 3,108.88 : x
2. Step 2: Convert to fraction form
   4,864.57/7,290.69 = 3,108.88/x
3. Step 3: Cross multiply
   4,864.57x = 7,290.69 × 3,108.88
4. Step 4: Simplify right side
   4,864.57x = 22,665,880.33
5. Step 5: Solve for x
   x = 22,665,880.33/4,864.57
6. Step 6: Final answer
   x = 4,659.38