Finding the Fourth Proportional to 7,002.32, 9,662.22 and 3,858.57

Step by Step Solution

1. Step 1: Write the proportion equation
   7,002.32 : 9,662.22 = 3,858.57 : x
2. Step 2: Convert to fraction form
   7,002.32/9,662.22 = 3,858.57/x
3. Step 3: Cross multiply
   7,002.32x = 9,662.22 × 3,858.57
4. Step 4: Simplify right side
   7,002.32x = 37,282,352.23
5. Step 5: Solve for x
   x = 37,282,352.23/7,002.32
6. Step 6: Final answer
   x = 5,324.29