Finding the Fourth Proportional to 2,662.96, 3,674.88 and 1,543.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.96 : 3,674.88 = 1,543.90 : x
2. Step 2: Convert to fraction form
   2,662.96/3,674.88 = 1,543.90/x
3. Step 3: Cross multiply
   2,662.96x = 3,674.88 × 1,543.90
4. Step 4: Simplify right side
   2,662.96x = 5,673,647.23
5. Step 5: Solve for x
   x = 5,673,647.23/2,662.96
6. Step 6: Final answer
   x = 2,130.58