Finding the Fourth Proportional to 2,384.12, 3,290.28 and 1,336.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.12 : 3,290.28 = 1,336.34 : x
2. Step 2: Convert to fraction form
   2,384.12/3,290.28 = 1,336.34/x
3. Step 3: Cross multiply
   2,384.12x = 3,290.28 × 1,336.34
4. Step 4: Simplify right side
   2,384.12x = 4,396,932.78
5. Step 5: Solve for x
   x = 4,396,932.78/2,384.12
6. Step 6: Final answer
   x = 1,844.26