Finding the Fourth Proportional to 6,744.64, 9,307.12 and 3,760.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,744.64 : 9,307.12 = 3,760.72 : x
2. Step 2: Convert to fraction form
   6,744.64/9,307.12 = 3,760.72/x
3. Step 3: Cross multiply
   6,744.64x = 9,307.12 × 3,760.72
4. Step 4: Simplify right side
   6,744.64x = 35,001,472.33
5. Step 5: Solve for x
   x = 35,001,472.33/6,744.64
6. Step 6: Final answer
   x = 5,189.52