Finding the Fourth Proportional to 2,228.84, 3,340.52 and 1,679.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,228.84 : 3,340.52 = 1,679.28 : x
2. Step 2: Convert to fraction form
   2,228.84/3,340.52 = 1,679.28/x
3. Step 3: Cross multiply
   2,228.84x = 3,340.52 × 1,679.28
4. Step 4: Simplify right side
   2,228.84x = 5,609,668.43
5. Step 5: Solve for x
   x = 5,609,668.43/2,228.84
6. Step 6: Final answer
   x = 2,516.86