Finding the Fourth Proportional to 5,792.10, 8,676.57 and 2,667.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,792.10 : 8,676.57 = 2,667.78 : x
2. Step 2: Convert to fraction form
   5,792.10/8,676.57 = 2,667.78/x
3. Step 3: Cross multiply
   5,792.10x = 8,676.57 × 2,667.78
4. Step 4: Simplify right side
   5,792.10x = 23,147,179.91
5. Step 5: Solve for x
   x = 23,147,179.91/5,792.10
6. Step 6: Final answer
   x = 3,996.34