Finding the Fourth Proportional to 8,479.98, 12,715.92 and 3,800.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,479.98 : 12,715.92 = 3,800.03 : x
2. Step 2: Convert to fraction form
   8,479.98/12,715.92 = 3,800.03/x
3. Step 3: Cross multiply
   8,479.98x = 12,715.92 × 3,800.03
4. Step 4: Simplify right side
   8,479.98x = 48,320,885.43
5. Step 5: Solve for x
   x = 48,320,885.43/8,479.98
6. Step 6: Final answer
   x = 5,698.23