Finding the Fourth Proportional to 2,666.46, 3,674.52 and 1,919.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,666.46 : 3,674.52 = 1,919.10 : x
2. Step 2: Convert to fraction form
   2,666.46/3,674.52 = 1,919.10/x
3. Step 3: Cross multiply
   2,666.46x = 3,674.52 × 1,919.10
4. Step 4: Simplify right side
   2,666.46x = 7,051,771.33
5. Step 5: Solve for x
   x = 7,051,771.33/2,666.46
6. Step 6: Final answer
   x = 2,644.62