Finding the Fourth Proportional to 9,016.71, 13,525.08 and 3,171.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,016.71 : 13,525.08 = 3,171.96 : x
2. Step 2: Convert to fraction form
   9,016.71/13,525.08 = 3,171.96/x
3. Step 3: Cross multiply
   9,016.71x = 13,525.08 × 3,171.96
4. Step 4: Simplify right side
   9,016.71x = 42,901,012.76
5. Step 5: Solve for x
   x = 42,901,012.76/9,016.71
6. Step 6: Final answer
   x = 4,757.95