Finding the Fourth Proportional to 2,658.85, 3,669.28 and 1,479.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658.85 : 3,669.28 = 1,479.89 : x
2. Step 2: Convert to fraction form
   2,658.85/3,669.28 = 1,479.89/x
3. Step 3: Cross multiply
   2,658.85x = 3,669.28 × 1,479.89
4. Step 4: Simplify right side
   2,658.85x = 5,430,136.25
5. Step 5: Solve for x
   x = 5,430,136.25/2,658.85
6. Step 6: Final answer
   x = 2,042.29