Finding the Fourth Proportional to 11,896.27, 17,842.55 and 5,321.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,896.27 : 17,842.55 = 5,321.30 : x
2. Step 2: Convert to fraction form
   11,896.27/17,842.55 = 5,321.30/x
3. Step 3: Cross multiply
   11,896.27x = 17,842.55 × 5,321.30
4. Step 4: Simplify right side
   11,896.27x = 94,945,445.50
5. Step 5: Solve for x
   x = 94,945,445.50/11,896.27
6. Step 6: Final answer
   x = 7,981.11