Finding the Fourth Proportional to 6,320.78, 9,469.82 and 3,722.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,320.78 : 9,469.82 = 3,722.30 : x
2. Step 2: Convert to fraction form
   6,320.78/9,469.82 = 3,722.30/x
3. Step 3: Cross multiply
   6,320.78x = 9,469.82 × 3,722.30
4. Step 4: Simplify right side
   6,320.78x = 35,249,510.99
5. Step 5: Solve for x
   x = 35,249,510.99/6,320.78
6. Step 6: Final answer
   x = 5,576.77