Finding the Fourth Proportional to 9,644.06, 13,308.18 and 5,394.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,644.06 : 13,308.18 = 5,394.39 : x
2. Step 2: Convert to fraction form
   9,644.06/13,308.18 = 5,394.39/x
3. Step 3: Cross multiply
   9,644.06x = 13,308.18 × 5,394.39
4. Step 4: Simplify right side
   9,644.06x = 71,789,513.11
5. Step 5: Solve for x
   x = 71,789,513.11/9,644.06
6. Step 6: Final answer
   x = 7,443.91