Finding the Fourth Proportional to 2,390.56, 3,583.28 and 1,156.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390.56 : 3,583.28 = 1,156.27 : x
2. Step 2: Convert to fraction form
   2,390.56/3,583.28 = 1,156.27/x
3. Step 3: Cross multiply
   2,390.56x = 3,583.28 × 1,156.27
4. Step 4: Simplify right side
   2,390.56x = 4,143,243.39
5. Step 5: Solve for x
   x = 4,143,243.39/2,390.56
6. Step 6: Final answer
   x = 1,733.17