Finding the Fourth Proportional to 7,050.56, 9,730.10 and 3,906.75

Step by Step Solution

1. Step 1: Write the proportion equation
   7,050.56 : 9,730.10 = 3,906.75 : x
2. Step 2: Convert to fraction form
   7,050.56/9,730.10 = 3,906.75/x
3. Step 3: Cross multiply
   7,050.56x = 9,730.10 × 3,906.75
4. Step 4: Simplify right side
   7,050.56x = 38,013,048.64
5. Step 5: Solve for x
   x = 38,013,048.64/7,050.56
6. Step 6: Final answer
   x = 5,391.49