Finding the Fourth Proportional to 6,402.24, 9,581.04 and 4,429.92

Step by Step Solution

1. Step 1: Write the proportion equation
   6,402.24 : 9,581.04 = 4,429.92 : x
2. Step 2: Convert to fraction form
   6,402.24/9,581.04 = 4,429.92/x
3. Step 3: Cross multiply
   6,402.24x = 9,581.04 × 4,429.92
4. Step 4: Simplify right side
   6,402.24x = 42,443,240.72
5. Step 5: Solve for x
   x = 42,443,240.72/6,402.24
6. Step 6: Final answer
   x = 6,629.44