Finding the Fourth Proportional to 7,002.42, 9,663.21 and 3,858.54

Step by Step Solution

1. Step 1: Write the proportion equation
   7,002.42 : 9,663.21 = 3,858.54 : x
2. Step 2: Convert to fraction form
   7,002.42/9,663.21 = 3,858.54/x
3. Step 3: Cross multiply
   7,002.42x = 9,663.21 × 3,858.54
4. Step 4: Simplify right side
   7,002.42x = 37,285,882.31
5. Step 5: Solve for x
   x = 37,285,882.31/7,002.42
6. Step 6: Final answer
   x = 5,324.71