Finding the Fourth Proportional to 9,968.96, 13,756.66 and 5,492.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,968.96 : 13,756.66 = 5,492.59 : x
2. Step 2: Convert to fraction form
   9,968.96/13,756.66 = 5,492.59/x
3. Step 3: Cross multiply
   9,968.96x = 13,756.66 × 5,492.59
4. Step 4: Simplify right side
   9,968.96x = 75,559,693.15
5. Step 5: Solve for x
   x = 75,559,693.15/9,968.96
6. Step 6: Final answer
   x = 7,579.50