Finding the Fourth Proportional to 7,002.54, 9,663.39 and 3,859.02

Step by Step Solution

1. Step 1: Write the proportion equation
   7,002.54 : 9,663.39 = 3,859.02 : x
2. Step 2: Convert to fraction form
   7,002.54/9,663.39 = 3,859.02/x
3. Step 3: Cross multiply
   7,002.54x = 9,663.39 × 3,859.02
4. Step 4: Simplify right side
   7,002.54x = 37,291,215.28
5. Step 5: Solve for x
   x = 37,291,215.28/7,002.54
6. Step 6: Final answer
   x = 5,325.38