Finding the Fourth Proportional to 3,668.15, 5,059.33 and 2,658.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,668.15 : 5,059.33 = 2,658.42 : x
2. Step 2: Convert to fraction form
   3,668.15/5,059.33 = 2,658.42/x
3. Step 3: Cross multiply
   3,668.15x = 5,059.33 × 2,658.42
4. Step 4: Simplify right side
   3,668.15x = 13,449,817.41
5. Step 5: Solve for x
   x = 13,449,817.41/3,668.15
6. Step 6: Final answer
   x = 3,666.65