Finding the Fourth Proportional to 1,018.52, 1,528.56 and 585.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018.52 : 1,528.56 = 585.96 : x
2. Step 2: Convert to fraction form
   1,018.52/1,528.56 = 585.96/x
3. Step 3: Cross multiply
   1,018.52x = 1,528.56 × 585.96
4. Step 4: Simplify right side
   1,018.52x = 895,675.02
5. Step 5: Solve for x
   x = 895,675.02/1,018.52
6. Step 6: Final answer
   x = 879.39