Finding the Fourth Proportional to 1,757.56, 2,636.31 and 1,018.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,757.56 : 2,636.31 = 1,018.27 : x
2. Step 2: Convert to fraction form
   1,757.56/2,636.31 = 1,018.27/x
3. Step 3: Cross multiply
   1,757.56x = 2,636.31 × 1,018.27
4. Step 4: Simplify right side
   1,757.56x = 2,684,475.38
5. Step 5: Solve for x
   x = 2,684,475.38/1,757.56
6. Step 6: Final answer
   x = 1,527.39