Finding the Fourth Proportional to 8,308.89, 12,460.37 and 2,760.74

Step by Step Solution

1. Step 1: Write the proportion equation
   8,308.89 : 12,460.37 = 2,760.74 : x
2. Step 2: Convert to fraction form
   8,308.89/12,460.37 = 2,760.74/x
3. Step 3: Cross multiply
   8,308.89x = 12,460.37 × 2,760.74
4. Step 4: Simplify right side
   8,308.89x = 34,399,765.77
5. Step 5: Solve for x
   x = 34,399,765.77/8,308.89
6. Step 6: Final answer
   x = 4,140.12