Finding the Fourth Proportional to 7,002.20, 9,662.82 and 3,858.39

Step by Step Solution

1. Step 1: Write the proportion equation
   7,002.20 : 9,662.82 = 3,858.39 : x
2. Step 2: Convert to fraction form
   7,002.20/9,662.82 = 3,858.39/x
3. Step 3: Cross multiply
   7,002.20x = 9,662.82 × 3,858.39
4. Step 4: Simplify right side
   7,002.20x = 37,282,928.06
5. Step 5: Solve for x
   x = 37,282,928.06/7,002.20
6. Step 6: Final answer
   x = 5,324.46