Finding the Fourth Proportional to 1,895.37, 2,839.94 and 1,155.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,895.37 : 2,839.94 = 1,155.18 : x
2. Step 2: Convert to fraction form
   1,895.37/2,839.94 = 1,155.18/x
3. Step 3: Cross multiply
   1,895.37x = 2,839.94 × 1,155.18
4. Step 4: Simplify right side
   1,895.37x = 3,280,641.89
5. Step 5: Solve for x
   x = 3,280,641.89/1,895.37
6. Step 6: Final answer
   x = 1,730.87