Finding the Fourth Proportional to 9,578.91, 13,214.61 and 5,598.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,578.91 : 13,214.61 = 5,598.27 : x
2. Step 2: Convert to fraction form
   9,578.91/13,214.61 = 5,598.27/x
3. Step 3: Cross multiply
   9,578.91x = 13,214.61 × 5,598.27
4. Step 4: Simplify right side
   9,578.91x = 73,978,954.72
5. Step 5: Solve for x
   x = 73,978,954.72/9,578.91
6. Step 6: Final answer
   x = 7,723.11