Finding the Fourth Proportional to 2,384.56, 3,290.43 and 1,336.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.56 : 3,290.43 = 1,336.60 : x
2. Step 2: Convert to fraction form
   2,384.56/3,290.43 = 1,336.60/x
3. Step 3: Cross multiply
   2,384.56x = 3,290.43 × 1,336.60
4. Step 4: Simplify right side
   2,384.56x = 4,397,990.34
5. Step 5: Solve for x
   x = 4,397,990.34/2,384.56
6. Step 6: Final answer
   x = 1,844.36