Finding the Fourth Proportional to 2,386.27, 3,292.89 and 1,338.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,386.27 : 3,292.89 = 1,338.25 : x
2. Step 2: Convert to fraction form
   2,386.27/3,292.89 = 1,338.25/x
3. Step 3: Cross multiply
   2,386.27x = 3,292.89 × 1,338.25
4. Step 4: Simplify right side
   2,386.27x = 4,406,710.04
5. Step 5: Solve for x
   x = 4,406,710.04/2,386.27
6. Step 6: Final answer
   x = 1,846.69