Finding the Fourth Proportional to 9,823.38, 13,556.55 and 5,347.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,823.38 : 13,556.55 = 5,347.42 : x
2. Step 2: Convert to fraction form
   9,823.38/13,556.55 = 5,347.42/x
3. Step 3: Cross multiply
   9,823.38x = 13,556.55 × 5,347.42
4. Step 4: Simplify right side
   9,823.38x = 72,492,552.76
5. Step 5: Solve for x
   x = 72,492,552.76/9,823.38
6. Step 6: Final answer
   x = 7,379.60