Finding the Fourth Proportional to 2,662.43, 3,674.15 and 1,543.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.43 : 3,674.15 = 1,543.58 : x
2. Step 2: Convert to fraction form
   2,662.43/3,674.15 = 1,543.58/x
3. Step 3: Cross multiply
   2,662.43x = 3,674.15 × 1,543.58
4. Step 4: Simplify right side
   2,662.43x = 5,671,345.92
5. Step 5: Solve for x
   x = 5,671,345.92/2,662.43
6. Step 6: Final answer
   x = 2,130.14