Finding the Fourth Proportional to 2,008.38, 2,769.35 and 1,379.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,008.38 : 2,769.35 = 1,379.22 : x
2. Step 2: Convert to fraction form
   2,008.38/2,769.35 = 1,379.22/x
3. Step 3: Cross multiply
   2,008.38x = 2,769.35 × 1,379.22
4. Step 4: Simplify right side
   2,008.38x = 3,819,542.91
5. Step 5: Solve for x
   x = 3,819,542.91/2,008.38
6. Step 6: Final answer
   x = 1,901.80