Finding the Fourth Proportional to 2,154.57, 3,233.59 and 1,114.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154.57 : 3,233.59 = 1,114.86 : x
2. Step 2: Convert to fraction form
   2,154.57/3,233.59 = 1,114.86/x
3. Step 3: Cross multiply
   2,154.57x = 3,233.59 × 1,114.86
4. Step 4: Simplify right side
   2,154.57x = 3,605,009.49
5. Step 5: Solve for x
   x = 3,605,009.49/2,154.57
6. Step 6: Final answer
   x = 1,673.20