Finding the Fourth Proportional to 9,596.13, 13,242.79 and 5,404.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,596.13 : 13,242.79 = 5,404.38 : x
2. Step 2: Convert to fraction form
   9,596.13/13,242.79 = 5,404.38/x
3. Step 3: Cross multiply
   9,596.13x = 13,242.79 × 5,404.38
4. Step 4: Simplify right side
   9,596.13x = 71,569,069.42
5. Step 5: Solve for x
   x = 71,569,069.42/9,596.13
6. Step 6: Final answer
   x = 7,458.12