Finding the Fourth Proportional to 2,322.74, 3,483.86 and 679.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,322.74 : 3,483.86 = 679.31 : x
2. Step 2: Convert to fraction form
   2,322.74/3,483.86 = 679.31/x
3. Step 3: Cross multiply
   2,322.74x = 3,483.86 × 679.31
4. Step 4: Simplify right side
   2,322.74x = 2,366,604.76
5. Step 5: Solve for x
   x = 2,366,604.76/2,322.74
6. Step 6: Final answer
   x = 1,018.88