Finding the Fourth Proportional to 3,079.59, 4,249.78 and 1,682.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,079.59 : 4,249.78 = 1,682.34 : x
2. Step 2: Convert to fraction form
   3,079.59/4,249.78 = 1,682.34/x
3. Step 3: Cross multiply
   3,079.59x = 4,249.78 × 1,682.34
4. Step 4: Simplify right side
   3,079.59x = 7,149,574.89
5. Step 5: Solve for x
   x = 7,149,574.89/3,079.59
6. Step 6: Final answer
   x = 2,321.60