Finding the Fourth Proportional to 9,968.47, 13,756.42 and 5,492.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,968.47 : 13,756.42 = 5,492.12 : x
2. Step 2: Convert to fraction form
   9,968.47/13,756.42 = 5,492.12/x
3. Step 3: Cross multiply
   9,968.47x = 13,756.42 × 5,492.12
4. Step 4: Simplify right side
   9,968.47x = 75,551,847.49
5. Step 5: Solve for x
   x = 75,551,847.49/9,968.47
6. Step 6: Final answer
   x = 7,579.08