Finding the Fourth Proportional to 6,404.73, 8,838.84 and 4,830.09

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404.73 : 8,838.84 = 4,830.09 : x
2. Step 2: Convert to fraction form
   6,404.73/8,838.84 = 4,830.09/x
3. Step 3: Cross multiply
   6,404.73x = 8,838.84 × 4,830.09
4. Step 4: Simplify right side
   6,404.73x = 42,692,392.70
5. Step 5: Solve for x
   x = 42,692,392.70/6,404.73
6. Step 6: Final answer
   x = 6,665.76