Finding the Fourth Proportional to 9,968.72, 13,756.77 and 5,492.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,968.72 : 13,756.77 = 5,492.37 : x
2. Step 2: Convert to fraction form
   9,968.72/13,756.77 = 5,492.37/x
3. Step 3: Cross multiply
   9,968.72x = 13,756.77 × 5,492.37
4. Step 4: Simplify right side
   9,968.72x = 75,557,270.84
5. Step 5: Solve for x
   x = 75,557,270.84/9,968.72
6. Step 6: Final answer
   x = 7,579.44