Finding the Fourth Proportional to 8,404.07, 12,604.56 and 2,479.73

Step by Step Solution

1. Step 1: Write the proportion equation
   8,404.07 : 12,604.56 = 2,479.73 : x
2. Step 2: Convert to fraction form
   8,404.07/12,604.56 = 2,479.73/x
3. Step 3: Cross multiply
   8,404.07x = 12,604.56 × 2,479.73
4. Step 4: Simplify right side
   8,404.07x = 31,255,842.55
5. Step 5: Solve for x
   x = 31,255,842.55/8,404.07
6. Step 6: Final answer
   x = 3,719.13