Finding the Fourth Proportional to 7,105.78, 9,806.03 and 3,962.17

Step by Step Solution

1. Step 1: Write the proportion equation
   7,105.78 : 9,806.03 = 3,962.17 : x
2. Step 2: Convert to fraction form
   7,105.78/9,806.03 = 3,962.17/x
3. Step 3: Cross multiply
   7,105.78x = 9,806.03 × 3,962.17
4. Step 4: Simplify right side
   7,105.78x = 38,853,157.89
5. Step 5: Solve for x
   x = 38,853,157.89/7,105.78
6. Step 6: Final answer
   x = 5,467.82