Finding the Fourth Proportional to 2,662.41, 3,673.79 and 1,543.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.41 : 3,673.79 = 1,543.19 : x
2. Step 2: Convert to fraction form
   2,662.41/3,673.79 = 1,543.19/x
3. Step 3: Cross multiply
   2,662.41x = 3,673.79 × 1,543.19
4. Step 4: Simplify right side
   2,662.41x = 5,669,357.46
5. Step 5: Solve for x
   x = 5,669,357.46/2,662.41
6. Step 6: Final answer
   x = 2,129.41