Finding the Fourth Proportional to 3,493.12, 4,818.39 and 2,076.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,493.12 : 4,818.39 = 2,076.31 : x
2. Step 2: Convert to fraction form
   3,493.12/4,818.39 = 2,076.31/x
3. Step 3: Cross multiply
   3,493.12x = 4,818.39 × 2,076.31
4. Step 4: Simplify right side
   3,493.12x = 10,004,471.34
5. Step 5: Solve for x
   x = 10,004,471.34/3,493.12
6. Step 6: Final answer
   x = 2,864.05