Finding the Fourth Proportional to 8,336.56, 12,498.60 and 2,786.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,336.56 : 12,498.60 = 2,786.62 : x
2. Step 2: Convert to fraction form
   8,336.56/12,498.60 = 2,786.62/x
3. Step 3: Cross multiply
   8,336.56x = 12,498.60 × 2,786.62
4. Step 4: Simplify right side
   8,336.56x = 34,828,848.73
5. Step 5: Solve for x
   x = 34,828,848.73/8,336.56
6. Step 6: Final answer
   x = 4,177.84