Finding the Fourth Proportional to 1,150.59, 1,586.91 and 1,017.95

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150.59 : 1,586.91 = 1,017.95 : x
2. Step 2: Convert to fraction form
   1,150.59/1,586.91 = 1,017.95/x
3. Step 3: Cross multiply
   1,150.59x = 1,586.91 × 1,017.95
4. Step 4: Simplify right side
   1,150.59x = 1,615,399.00
5. Step 5: Solve for x
   x = 1,615,399.00/1,150.59
6. Step 6: Final answer
   x = 1,403.97