Finding the Fourth Proportional to 2,386.50, 3,293.37 and 1,338.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,386.50 : 3,293.37 = 1,338.57 : x
2. Step 2: Convert to fraction form
   2,386.50/3,293.37 = 1,338.57/x
3. Step 3: Cross multiply
   2,386.50x = 3,293.37 × 1,338.57
4. Step 4: Simplify right side
   2,386.50x = 4,408,406.28
5. Step 5: Solve for x
   x = 4,408,406.28/2,386.50
6. Step 6: Final answer
   x = 1,847.23