Finding the Fourth Proportional to 6,404.40, 8,838.72 and 4,046.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404.40 : 8,838.72 = 4,046.76 : x
2. Step 2: Convert to fraction form
   6,404.40/8,838.72 = 4,046.76/x
3. Step 3: Cross multiply
   6,404.40x = 8,838.72 × 4,046.76
4. Step 4: Simplify right side
   6,404.40x = 35,768,178.55
5. Step 5: Solve for x
   x = 35,768,178.55/6,404.40
6. Step 6: Final answer
   x = 5,584.94