Finding the Fourth Proportional to 9,847.27, 13,588.91 and 5,371.11

Step by Step Solution

1. Step 1: Write the proportion equation
   9,847.27 : 13,588.91 = 5,371.11 : x
2. Step 2: Convert to fraction form
   9,847.27/13,588.91 = 5,371.11/x
3. Step 3: Cross multiply
   9,847.27x = 13,588.91 × 5,371.11
4. Step 4: Simplify right side
   9,847.27x = 72,987,553.89
5. Step 5: Solve for x
   x = 72,987,553.89/9,847.27
6. Step 6: Final answer
   x = 7,411.96