Finding the Fourth Proportional to 2,767.10, 3,816.72 and 2,176.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,767.10 : 3,816.72 = 2,176.61 : x
2. Step 2: Convert to fraction form
   2,767.10/3,816.72 = 2,176.61/x
3. Step 3: Cross multiply
   2,767.10x = 3,816.72 × 2,176.61
4. Step 4: Simplify right side
   2,767.10x = 8,307,491.84
5. Step 5: Solve for x
   x = 8,307,491.84/2,767.10
6. Step 6: Final answer
   x = 3,002.24