Finding the Fourth Proportional to 1,338.77, 1,844.56 and 1,001.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338.77 : 1,844.56 = 1,001.27 : x
2. Step 2: Convert to fraction form
   1,338.77/1,844.56 = 1,001.27/x
3. Step 3: Cross multiply
   1,338.77x = 1,844.56 × 1,001.27
4. Step 4: Simplify right side
   1,338.77x = 1,846,902.59
5. Step 5: Solve for x
   x = 1,846,902.59/1,338.77
6. Step 6: Final answer
   x = 1,379.55