Finding the Fourth Proportional to 9,968.46, 13,755.97 and 5,492.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,968.46 : 13,755.97 = 5,492.09 : x
2. Step 2: Convert to fraction form
   9,968.46/13,755.97 = 5,492.09/x
3. Step 3: Cross multiply
   9,968.46x = 13,755.97 × 5,492.09
4. Step 4: Simplify right side
   9,968.46x = 75,549,025.28
5. Step 5: Solve for x
   x = 75,549,025.28/9,968.46
6. Step 6: Final answer
   x = 7,578.81