Finding the Fourth Proportional to 9,716.16, 13,408.56 and 5,525.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,716.16 : 13,408.56 = 5,525.04 : x
2. Step 2: Convert to fraction form
   9,716.16/13,408.56 = 5,525.04/x
3. Step 3: Cross multiply
   9,716.16x = 13,408.56 × 5,525.04
4. Step 4: Simplify right side
   9,716.16x = 74,082,830.34
5. Step 5: Solve for x
   x = 74,082,830.34/9,716.16
6. Step 6: Final answer
   x = 7,624.70