Finding the Fourth Proportional to 1,339.70, 2,008.00 and 559.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.70 : 2,008.00 = 559.27 : x
2. Step 2: Convert to fraction form
   1,339.70/2,008.00 = 559.27/x
3. Step 3: Cross multiply
   1,339.70x = 2,008.00 × 559.27
4. Step 4: Simplify right side
   1,339.70x = 1,123,001.32
5. Step 5: Solve for x
   x = 1,123,001.32/1,339.70
6. Step 6: Final answer
   x = 838.25