Finding the Fourth Proportional to 6,404.42, 9,608.34 and 2,021.96

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404.42 : 9,608.34 = 2,021.96 : x
2. Step 2: Convert to fraction form
   6,404.42/9,608.34 = 2,021.96/x
3. Step 3: Cross multiply
   6,404.42x = 9,608.34 × 2,021.96
4. Step 4: Simplify right side
   6,404.42x = 19,427,631.10
5. Step 5: Solve for x
   x = 19,427,631.10/6,404.42
6. Step 6: Final answer
   x = 3,033.47