Finding the Fourth Proportional to 9,582.10, 13,223.25 and 5,390.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,582.10 : 13,223.25 = 5,390.38 : x
2. Step 2: Convert to fraction form
   9,582.10/13,223.25 = 5,390.38/x
3. Step 3: Cross multiply
   9,582.10x = 13,223.25 × 5,390.38
4. Step 4: Simplify right side
   9,582.10x = 71,278,342.34
5. Step 5: Solve for x
   x = 71,278,342.34/9,582.10
6. Step 6: Final answer
   x = 7,438.70