Finding the Fourth Proportional to 2,668.30, 4,003.86 and 1,369.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,668.30 : 4,003.86 = 1,369.77 : x
2. Step 2: Convert to fraction form
   2,668.30/4,003.86 = 1,369.77/x
3. Step 3: Cross multiply
   2,668.30x = 4,003.86 × 1,369.77
4. Step 4: Simplify right side
   2,668.30x = 5,484,367.31
5. Step 5: Solve for x
   x = 5,484,367.31/2,668.30
6. Step 6: Final answer
   x = 2,055.38