Finding the Fourth Proportional to 2,386.12, 3,292.71 and 1,338.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,386.12 : 3,292.71 = 1,338.25 : x
2. Step 2: Convert to fraction form
   2,386.12/3,292.71 = 1,338.25/x
3. Step 3: Cross multiply
   2,386.12x = 3,292.71 × 1,338.25
4. Step 4: Simplify right side
   2,386.12x = 4,406,469.16
5. Step 5: Solve for x
   x = 4,406,469.16/2,386.12
6. Step 6: Final answer
   x = 1,846.71