Finding the Fourth Proportional to 9,646.29, 13,311.90 and 5,454.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,646.29 : 13,311.90 = 5,454.54 : x
2. Step 2: Convert to fraction form
   9,646.29/13,311.90 = 5,454.54/x
3. Step 3: Cross multiply
   9,646.29x = 13,311.90 × 5,454.54
4. Step 4: Simplify right side
   9,646.29x = 72,610,291.03
5. Step 5: Solve for x
   x = 72,610,291.03/9,646.29
6. Step 6: Final answer
   x = 7,527.28