Finding the Fourth Proportional to 2,283.72, 3,152.72 and 1,583.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,283.72 : 3,152.72 = 1,583.88 : x
2. Step 2: Convert to fraction form
   2,283.72/3,152.72 = 1,583.88/x
3. Step 3: Cross multiply
   2,283.72x = 3,152.72 × 1,583.88
4. Step 4: Simplify right side
   2,283.72x = 4,993,530.15
5. Step 5: Solve for x
   x = 4,993,530.15/2,283.72
6. Step 6: Final answer
   x = 2,186.58