Finding the Fourth Proportional to 9,727.73, 13,424.31 and 5,535.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,727.73 : 13,424.31 = 5,535.98 : x
2. Step 2: Convert to fraction form
   9,727.73/13,424.31 = 5,535.98/x
3. Step 3: Cross multiply
   9,727.73x = 13,424.31 × 5,535.98
4. Step 4: Simplify right side
   9,727.73x = 74,316,711.67
5. Step 5: Solve for x
   x = 74,316,711.67/9,727.73
6. Step 6: Final answer
   x = 7,639.68