Finding the Fourth Proportional to 9,727.39, 13,423.86 and 5,535.64

Step by Step Solution

1. Step 1: Write the proportion equation
   9,727.39 : 13,423.86 = 5,535.64 : x
2. Step 2: Convert to fraction form
   9,727.39/13,423.86 = 5,535.64/x
3. Step 3: Cross multiply
   9,727.39x = 13,423.86 × 5,535.64
4. Step 4: Simplify right side
   9,727.39x = 74,309,656.37
5. Step 5: Solve for x
   x = 74,309,656.37/9,727.39
6. Step 6: Final answer
   x = 7,639.22