Finding the Fourth Proportional to 7,353.33, 10,147.69 and 3,996.21

Step by Step Solution

1. Step 1: Write the proportion equation
   7,353.33 : 10,147.69 = 3,996.21 : x
2. Step 2: Convert to fraction form
   7,353.33/10,147.69 = 3,996.21/x
3. Step 3: Cross multiply
   7,353.33x = 10,147.69 × 3,996.21
4. Step 4: Simplify right side
   7,353.33x = 40,552,239.53
5. Step 5: Solve for x
   x = 40,552,239.53/7,353.33
6. Step 6: Final answer
   x = 5,514.82