Finding the Fourth Proportional to 8,655.59, 12,980.82 and 2,414.09

Step by Step Solution

1. Step 1: Write the proportion equation
   8,655.59 : 12,980.82 = 2,414.09 : x
2. Step 2: Convert to fraction form
   8,655.59/12,980.82 = 2,414.09/x
3. Step 3: Cross multiply
   8,655.59x = 12,980.82 × 2,414.09
4. Step 4: Simplify right side
   8,655.59x = 31,336,924.54
5. Step 5: Solve for x
   x = 31,336,924.54/8,655.59
6. Step 6: Final answer
   x = 3,620.43