Finding the Fourth Proportional to 8,500.10, 12,748.91 and 2,260.49

Step by Step Solution

1. Step 1: Write the proportion equation
   8,500.10 : 12,748.91 = 2,260.49 : x
2. Step 2: Convert to fraction form
   8,500.10/12,748.91 = 2,260.49/x
3. Step 3: Cross multiply
   8,500.10x = 12,748.91 × 2,260.49
4. Step 4: Simplify right side
   8,500.10x = 28,818,708.52
5. Step 5: Solve for x
   x = 28,818,708.52/8,500.10
6. Step 6: Final answer
   x = 3,390.40