Finding the Fourth Proportional to 8,333.08, 12,498.90 and 2,786.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,333.08 : 12,498.90 = 2,786.20 : x
2. Step 2: Convert to fraction form
   8,333.08/12,498.90 = 2,786.20/x
3. Step 3: Cross multiply
   8,333.08x = 12,498.90 × 2,786.20
4. Step 4: Simplify right side
   8,333.08x = 34,824,435.18
5. Step 5: Solve for x
   x = 34,824,435.18/8,333.08
6. Step 6: Final answer
   x = 4,179.06