Finding the Fourth Proportional to 7,160.99, 9,881.83 and 3,974.27

Step by Step Solution

1. Step 1: Write the proportion equation
   7,160.99 : 9,881.83 = 3,974.27 : x
2. Step 2: Convert to fraction form
   7,160.99/9,881.83 = 3,974.27/x
3. Step 3: Cross multiply
   7,160.99x = 9,881.83 × 3,974.27
4. Step 4: Simplify right side
   7,160.99x = 39,273,016.07
5. Step 5: Solve for x
   x = 39,273,016.07/7,160.99
6. Step 6: Final answer
   x = 5,484.30