Finding the Fourth Proportional to 2,317.09, 3,475.79 and 1,018.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,317.09 : 3,475.79 = 1,018.56 : x
2. Step 2: Convert to fraction form
   2,317.09/3,475.79 = 1,018.56/x
3. Step 3: Cross multiply
   2,317.09x = 3,475.79 × 1,018.56
4. Step 4: Simplify right side
   2,317.09x = 3,540,300.66
5. Step 5: Solve for x
   x = 3,540,300.66/2,317.09
6. Step 6: Final answer
   x = 1,527.91