Finding the Fourth Proportional to 9,727.17, 13,424.18 and 5,535.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,727.17 : 13,424.18 = 5,535.42 : x
2. Step 2: Convert to fraction form
   9,727.17/13,424.18 = 5,535.42/x
3. Step 3: Cross multiply
   9,727.17x = 13,424.18 × 5,535.42
4. Step 4: Simplify right side
   9,727.17x = 74,308,446.78
5. Step 5: Solve for x
   x = 74,308,446.78/9,727.17
6. Step 6: Final answer
   x = 7,639.27