Finding the Fourth Proportional to 2,662.39, 3,673.73 and 1,543.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.39 : 3,673.73 = 1,543.43 : x
2. Step 2: Convert to fraction form
   2,662.39/3,673.73 = 1,543.43/x
3. Step 3: Cross multiply
   2,662.39x = 3,673.73 × 1,543.43
4. Step 4: Simplify right side
   2,662.39x = 5,670,145.09
5. Step 5: Solve for x
   x = 5,670,145.09/2,662.39
6. Step 6: Final answer
   x = 2,129.72