Finding the Fourth Proportional to 1,338.20, 2,004.18 and 1,301.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338.20 : 2,004.18 = 1,301.29 : x
2. Step 2: Convert to fraction form
   1,338.20/2,004.18 = 1,301.29/x
3. Step 3: Cross multiply
   1,338.20x = 2,004.18 × 1,301.29
4. Step 4: Simplify right side
   1,338.20x = 2,608,009.37
5. Step 5: Solve for x
   x = 2,608,009.37/1,338.20
6. Step 6: Final answer
   x = 1,948.89