Finding the Fourth Proportional to 9,723.18, 13,419.27 and 5,530.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,723.18 : 13,419.27 = 5,530.62 : x
2. Step 2: Convert to fraction form
   9,723.18/13,419.27 = 5,530.62/x
3. Step 3: Cross multiply
   9,723.18x = 13,419.27 × 5,530.62
4. Step 4: Simplify right side
   9,723.18x = 74,216,883.05
5. Step 5: Solve for x
   x = 74,216,883.05/9,723.18
6. Step 6: Final answer
   x = 7,632.98