Finding the Fourth Proportional to 9,641.90, 13,304.67 and 5,450.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,641.90 : 13,304.67 = 5,450.54 : x
2. Step 2: Convert to fraction form
   9,641.90/13,304.67 = 5,450.54/x
3. Step 3: Cross multiply
   9,641.90x = 13,304.67 × 5,450.54
4. Step 4: Simplify right side
   9,641.90x = 72,517,636.02
5. Step 5: Solve for x
   x = 72,517,636.02/9,641.90
6. Step 6: Final answer
   x = 7,521.09