Finding the Fourth Proportional to 2,427.96, 3,636.72 and 2,256.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,427.96 : 3,636.72 = 2,256.96 : x
2. Step 2: Convert to fraction form
   2,427.96/3,636.72 = 2,256.96/x
3. Step 3: Cross multiply
   2,427.96x = 3,636.72 × 2,256.96
4. Step 4: Simplify right side
   2,427.96x = 8,207,931.57
5. Step 5: Solve for x
   x = 8,207,931.57/2,427.96
6. Step 6: Final answer
   x = 3,380.59