Finding the Fourth Proportional to 7,171.32, 9,896.52 and 3,984.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,171.32 : 9,896.52 = 3,984.69 : x
2. Step 2: Convert to fraction form
   7,171.32/9,896.52 = 3,984.69/x
3. Step 3: Cross multiply
   7,171.32x = 9,896.52 × 3,984.69
4. Step 4: Simplify right side
   7,171.32x = 39,434,564.28
5. Step 5: Solve for x
   x = 39,434,564.28/7,171.32
6. Step 6: Final answer
   x = 5,498.93