Finding the Fourth Proportional to 2,911.33, 4,363.96 and 1,155.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,911.33 : 4,363.96 = 1,155.86 : x
2. Step 2: Convert to fraction form
   2,911.33/4,363.96 = 1,155.86/x
3. Step 3: Cross multiply
   2,911.33x = 4,363.96 × 1,155.86
4. Step 4: Simplify right side
   2,911.33x = 5,044,121.03
5. Step 5: Solve for x
   x = 5,044,121.03/2,911.33
6. Step 6: Final answer
   x = 1,732.58