Finding the Fourth Proportional to 2,662.42, 3,674.50 and 1,543.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.42 : 3,674.50 = 1,543.70 : x
2. Step 2: Convert to fraction form
   2,662.42/3,674.50 = 1,543.70/x
3. Step 3: Cross multiply
   2,662.42x = 3,674.50 × 1,543.70
4. Step 4: Simplify right side
   2,662.42x = 5,672,325.65
5. Step 5: Solve for x
   x = 5,672,325.65/2,662.42
6. Step 6: Final answer
   x = 2,130.51