Finding the Fourth Proportional to 11,636.24, 17,458.76 and 5,399.24

Step by Step Solution

1. Step 1: Write the proportion equation
   11,636.24 : 17,458.76 = 5,399.24 : x
2. Step 2: Convert to fraction form
   11,636.24/17,458.76 = 5,399.24/x
3. Step 3: Cross multiply
   11,636.24x = 17,458.76 × 5,399.24
4. Step 4: Simplify right side
   11,636.24x = 94,264,035.34
5. Step 5: Solve for x
   x = 94,264,035.34/11,636.24
6. Step 6: Final answer
   x = 8,100.90