Finding the Fourth Proportional to 2,158.39, 2,975.56 and 1,825.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158.39 : 2,975.56 = 1,825.48 : x
2. Step 2: Convert to fraction form
   2,158.39/2,975.56 = 1,825.48/x
3. Step 3: Cross multiply
   2,158.39x = 2,975.56 × 1,825.48
4. Step 4: Simplify right side
   2,158.39x = 5,431,825.27
5. Step 5: Solve for x
   x = 5,431,825.27/2,158.39
6. Step 6: Final answer
   x = 2,516.61