Finding the Fourth Proportional to 2,386.76, 3,293.72 and 1,338.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,386.76 : 3,293.72 = 1,338.82 : x
2. Step 2: Convert to fraction form
   2,386.76/3,293.72 = 1,338.82/x
3. Step 3: Cross multiply
   2,386.76x = 3,293.72 × 1,338.82
4. Step 4: Simplify right side
   2,386.76x = 4,409,698.21
5. Step 5: Solve for x
   x = 4,409,698.21/2,386.76
6. Step 6: Final answer
   x = 1,847.57