Finding the Fourth Proportional to 2,762.05, 4,145.61 and 2,149.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,762.05 : 4,145.61 = 2,149.69 : x
2. Step 2: Convert to fraction form
   2,762.05/4,145.61 = 2,149.69/x
3. Step 3: Cross multiply
   2,762.05x = 4,145.61 × 2,149.69
4. Step 4: Simplify right side
   2,762.05x = 8,911,763.69
5. Step 5: Solve for x
   x = 8,911,763.69/2,762.05
6. Step 6: Final answer
   x = 3,226.50