Finding the Fourth Proportional to 9,936.50, 13,712.55 and 5,459.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,936.50 : 13,712.55 = 5,459.98 : x
2. Step 2: Convert to fraction form
   9,936.50/13,712.55 = 5,459.98/x
3. Step 3: Cross multiply
   9,936.50x = 13,712.55 × 5,459.98
4. Step 4: Simplify right side
   9,936.50x = 74,870,234.94
5. Step 5: Solve for x
   x = 74,870,234.94/9,936.50
6. Step 6: Final answer
   x = 7,534.87