Finding the Fourth Proportional to 2,245.43, 3,098.59 and 1,583.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245.43 : 3,098.59 = 1,583.64 : x
2. Step 2: Convert to fraction form
   2,245.43/3,098.59 = 1,583.64/x
3. Step 3: Cross multiply
   2,245.43x = 3,098.59 × 1,583.64
4. Step 4: Simplify right side
   2,245.43x = 4,907,049.43
5. Step 5: Solve for x
   x = 4,907,049.43/2,245.43
6. Step 6: Final answer
   x = 2,185.35