Finding the Fourth Proportional to 2,662.38, 3,674.09 and 1,543.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.38 : 3,674.09 = 1,543.39 : x
2. Step 2: Convert to fraction form
   2,662.38/3,674.09 = 1,543.39/x
3. Step 3: Cross multiply
   2,662.38x = 3,674.09 × 1,543.39
4. Step 4: Simplify right side
   2,662.38x = 5,670,553.77
5. Step 5: Solve for x
   x = 5,670,553.77/2,662.38
6. Step 6: Final answer
   x = 2,129.88