Finding the Fourth Proportional to 9,595.78, 13,239.86 and 5,404.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,595.78 : 13,239.86 = 5,404.03 : x
2. Step 2: Convert to fraction form
   9,595.78/13,239.86 = 5,404.03/x
3. Step 3: Cross multiply
   9,595.78x = 13,239.86 × 5,404.03
4. Step 4: Simplify right side
   9,595.78x = 71,548,540.52
5. Step 5: Solve for x
   x = 71,548,540.52/9,595.78
6. Step 6: Final answer
   x = 7,456.25