Finding the Fourth Proportional to 3,941.60, 5,436.56 and 2,544.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,941.60 : 5,436.56 = 2,544.08 : x
2. Step 2: Convert to fraction form
   3,941.60/5,436.56 = 2,544.08/x
3. Step 3: Cross multiply
   3,941.60x = 5,436.56 × 2,544.08
4. Step 4: Simplify right side
   3,941.60x = 13,831,043.56
5. Step 5: Solve for x
   x = 13,831,043.56/3,941.60
6. Step 6: Final answer
   x = 3,508.99