Finding the Fourth Proportional to 6,404.93, 8,828.69 and 4,809.27

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404.93 : 8,828.69 = 4,809.27 : x
2. Step 2: Convert to fraction form
   6,404.93/8,828.69 = 4,809.27/x
3. Step 3: Cross multiply
   6,404.93x = 8,828.69 × 4,809.27
4. Step 4: Simplify right side
   6,404.93x = 42,459,565.98
5. Step 5: Solve for x
   x = 42,459,565.98/6,404.93
6. Step 6: Final answer
   x = 6,629.21