Finding the Fourth Proportional to 4,076.76, 5,623.83 and 2,819.10

Step by Step Solution

1. Step 1: Write the proportion equation
   4,076.76 : 5,623.83 = 2,819.10 : x
2. Step 2: Convert to fraction form
   4,076.76/5,623.83 = 2,819.10/x
3. Step 3: Cross multiply
   4,076.76x = 5,623.83 × 2,819.10
4. Step 4: Simplify right side
   4,076.76x = 15,854,139.15
5. Step 5: Solve for x
   x = 15,854,139.15/4,076.76
6. Step 6: Final answer
   x = 3,888.91