Finding the Fourth Proportional to 7,757.52, 10,707.72 and 5,274.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,757.52 : 10,707.72 = 5,274.96 : x
2. Step 2: Convert to fraction form
   7,757.52/10,707.72 = 5,274.96/x
3. Step 3: Cross multiply
   7,757.52x = 10,707.72 × 5,274.96
4. Step 4: Simplify right side
   7,757.52x = 56,482,794.69
5. Step 5: Solve for x
   x = 56,482,794.69/7,757.52
6. Step 6: Final answer
   x = 7,281.04