Finding the Fourth Proportional to 4,734.72, 7,108.56 and 4,086.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,734.72 : 7,108.56 = 4,086.72 : x
2. Step 2: Convert to fraction form
   4,734.72/7,108.56 = 4,086.72/x
3. Step 3: Cross multiply
   4,734.72x = 7,108.56 × 4,086.72
4. Step 4: Simplify right side
   4,734.72x = 29,050,694.32
5. Step 5: Solve for x
   x = 29,050,694.32/4,734.72
6. Step 6: Final answer
   x = 6,135.67