Finding the Fourth Proportional to 8,333.09, 12,500.27 and 2,786.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,333.09 : 12,500.27 = 2,786.45 : x
2. Step 2: Convert to fraction form
   8,333.09/12,500.27 = 2,786.45/x
3. Step 3: Cross multiply
   8,333.09x = 12,500.27 × 2,786.45
4. Step 4: Simplify right side
   8,333.09x = 34,831,300.91
5. Step 5: Solve for x
   x = 34,831,300.91/8,333.09
6. Step 6: Final answer
   x = 4,179.88