Finding the Fourth Proportional to 1,155.07, 1,738.78 and 1,036

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.07 : 1,738.78 = 1,036 : x
2. Step 2: Convert to fraction form
   1,155.07/1,738.78 = 1,036/x
3. Step 3: Cross multiply
   1,155.07x = 1,738.78 × 1,036
4. Step 4: Simplify right side
   1,155.07x = 1,801,376.08
5. Step 5: Solve for x
   x = 1,801,376.08/1,155.07
6. Step 6: Final answer
   x = 1,559.54