Finding the Fourth Proportional to 5,328.72, 7,986.60 and 2,404.08

Step by Step Solution

1. Step 1: Write the proportion equation
   5,328.72 : 7,986.60 = 2,404.08 : x
2. Step 2: Convert to fraction form
   5,328.72/7,986.60 = 2,404.08/x
3. Step 3: Cross multiply
   5,328.72x = 7,986.60 × 2,404.08
4. Step 4: Simplify right side
   5,328.72x = 19,200,425.33
5. Step 5: Solve for x
   x = 19,200,425.33/5,328.72
6. Step 6: Final answer
   x = 3,603.20