Finding the Fourth Proportional to 9,967.30, 13,755.08 and 5,491.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,967.30 : 13,755.08 = 5,491.24 : x
2. Step 2: Convert to fraction form
   9,967.30/13,755.08 = 5,491.24/x
3. Step 3: Cross multiply
   9,967.30x = 13,755.08 × 5,491.24
4. Step 4: Simplify right side
   9,967.30x = 75,532,445.50
5. Step 5: Solve for x
   x = 75,532,445.50/9,967.30
6. Step 6: Final answer
   x = 7,578.02