Finding the Fourth Proportional to 2,405.58, 3,601.89 and 2,259.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405.58 : 3,601.89 = 2,259.78 : x
2. Step 2: Convert to fraction form
   2,405.58/3,601.89 = 2,259.78/x
3. Step 3: Cross multiply
   2,405.58x = 3,601.89 × 2,259.78
4. Step 4: Simplify right side
   2,405.58x = 8,139,478.98
5. Step 5: Solve for x
   x = 8,139,478.98/2,405.58
6. Step 6: Final answer
   x = 3,383.58