Finding the Fourth Proportional to 6,747.59, 9,311.69 and 3,722.64

Step by Step Solution

1. Step 1: Write the proportion equation
   6,747.59 : 9,311.69 = 3,722.64 : x
2. Step 2: Convert to fraction form
   6,747.59/9,311.69 = 3,722.64/x
3. Step 3: Cross multiply
   6,747.59x = 9,311.69 × 3,722.64
4. Step 4: Simplify right side
   6,747.59x = 34,664,051.05
5. Step 5: Solve for x
   x = 34,664,051.05/6,747.59
6. Step 6: Final answer
   x = 5,137.25