Finding the Fourth Proportional to 8,598.69, 11,788.91 and 8,443.17

Step by Step Solution

1. Step 1: Write the proportion equation
   8,598.69 : 11,788.91 = 8,443.17 : x
2. Step 2: Convert to fraction form
   8,598.69/11,788.91 = 8,443.17/x
3. Step 3: Cross multiply
   8,598.69x = 11,788.91 × 8,443.17
4. Step 4: Simplify right side
   8,598.69x = 99,535,771.24
5. Step 5: Solve for x
   x = 99,535,771.24/8,598.69
6. Step 6: Final answer
   x = 11,575.69