Finding the Fourth Proportional to 2,318.56, 3,474.72 and 1,018.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,318.56 : 3,474.72 = 1,018.48 : x
2. Step 2: Convert to fraction form
   2,318.56/3,474.72 = 1,018.48/x
3. Step 3: Cross multiply
   2,318.56x = 3,474.72 × 1,018.48
4. Step 4: Simplify right side
   2,318.56x = 3,538,932.83
5. Step 5: Solve for x
   x = 3,538,932.83/2,318.56
6. Step 6: Final answer
   x = 1,526.35