Finding the Fourth Proportional to 9,727.10, 13,423.34 and 5,535.36

Step by Step Solution

1. Step 1: Write the proportion equation
   9,727.10 : 13,423.34 = 5,535.36 : x
2. Step 2: Convert to fraction form
   9,727.10/13,423.34 = 5,535.36/x
3. Step 3: Cross multiply
   9,727.10x = 13,423.34 × 5,535.36
4. Step 4: Simplify right side
   9,727.10x = 74,303,019.30
5. Step 5: Solve for x
   x = 74,303,019.30/9,727.10
6. Step 6: Final answer
   x = 7,638.76