Finding the Fourth Proportional to 4,686.05, 7,031.12 and 2,738.27

Step by Step Solution

1. Step 1: Write the proportion equation
   4,686.05 : 7,031.12 = 2,738.27 : x
2. Step 2: Convert to fraction form
   4,686.05/7,031.12 = 2,738.27/x
3. Step 3: Cross multiply
   4,686.05x = 7,031.12 × 2,738.27
4. Step 4: Simplify right side
   4,686.05x = 19,253,056.12
5. Step 5: Solve for x
   x = 19,253,056.12/4,686.05
6. Step 6: Final answer
   x = 4,108.59