Finding the Fourth Proportional to 1,491.52, 2,057.92 and 1,018.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,491.52 : 2,057.92 = 1,018.56 : x
2. Step 2: Convert to fraction form
   1,491.52/2,057.92 = 1,018.56/x
3. Step 3: Cross multiply
   1,491.52x = 2,057.92 × 1,018.56
4. Step 4: Simplify right side
   1,491.52x = 2,096,115.00
5. Step 5: Solve for x
   x = 2,096,115.00/1,491.52
6. Step 6: Final answer
   x = 1,405.35