Finding the Fourth Proportional to 9,967.46, 13,754.60 and 5,491.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,967.46 : 13,754.60 = 5,491.09 : x
2. Step 2: Convert to fraction form
   9,967.46/13,754.60 = 5,491.09/x
3. Step 3: Cross multiply
   9,967.46x = 13,754.60 × 5,491.09
4. Step 4: Simplify right side
   9,967.46x = 75,527,684.67
5. Step 5: Solve for x
   x = 75,527,684.67/9,967.46
6. Step 6: Final answer
   x = 7,577.43