Finding the Fourth Proportional to 7,760.94, 10,710.15 and 4,224.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,760.94 : 10,710.15 = 4,224.12 : x
2. Step 2: Convert to fraction form
   7,760.94/10,710.15 = 4,224.12/x
3. Step 3: Cross multiply
   7,760.94x = 10,710.15 × 4,224.12
4. Step 4: Simplify right side
   7,760.94x = 45,240,958.82
5. Step 5: Solve for x
   x = 45,240,958.82/7,760.94
6. Step 6: Final answer
   x = 5,829.31