Finding the Fourth Proportional to 3,580.71, 4,941.34 and 2,256.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,580.71 : 4,941.34 = 2,256.15 : x
2. Step 2: Convert to fraction form
   3,580.71/4,941.34 = 2,256.15/x
3. Step 3: Cross multiply
   3,580.71x = 4,941.34 × 2,256.15
4. Step 4: Simplify right side
   3,580.71x = 11,148,404.24
5. Step 5: Solve for x
   x = 11,148,404.24/3,580.71
6. Step 6: Final answer
   x = 3,113.46