Finding the Fourth Proportional to 7,002.29, 9,662.28 and 3,858.68

Step by Step Solution

1. Step 1: Write the proportion equation
   7,002.29 : 9,662.28 = 3,858.68 : x
2. Step 2: Convert to fraction form
   7,002.29/9,662.28 = 3,858.68/x
3. Step 3: Cross multiply
   7,002.29x = 9,662.28 × 3,858.68
4. Step 4: Simplify right side
   7,002.29x = 37,283,646.59
5. Step 5: Solve for x
   x = 37,283,646.59/7,002.29
6. Step 6: Final answer
   x = 5,324.49