Finding the Fourth Proportional to 2,662.37, 3,674.87 and 1,543.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.37 : 3,674.87 = 1,543.81 : x
2. Step 2: Convert to fraction form
   2,662.37/3,674.87 = 1,543.81/x
3. Step 3: Cross multiply
   2,662.37x = 3,674.87 × 1,543.81
4. Step 4: Simplify right side
   2,662.37x = 5,673,296.83
5. Step 5: Solve for x
   x = 5,673,296.83/2,662.37
6. Step 6: Final answer
   x = 2,130.92