Finding the Fourth Proportional to 2,544.39, 3,817.16 and 1,158.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,544.39 : 3,817.16 = 1,158.12 : x
2. Step 2: Convert to fraction form
   2,544.39/3,817.16 = 1,158.12/x
3. Step 3: Cross multiply
   2,544.39x = 3,817.16 × 1,158.12
4. Step 4: Simplify right side
   2,544.39x = 4,420,729.34
5. Step 5: Solve for x
   x = 4,420,729.34/2,544.39
6. Step 6: Final answer
   x = 1,737.44