Finding the Fourth Proportional to 2,153.86, 3,233.76 and 1,114.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153.86 : 3,233.76 = 1,114.60 : x
2. Step 2: Convert to fraction form
   2,153.86/3,233.76 = 1,114.60/x
3. Step 3: Cross multiply
   2,153.86x = 3,233.76 × 1,114.60
4. Step 4: Simplify right side
   2,153.86x = 3,604,348.90
5. Step 5: Solve for x
   x = 3,604,348.90/2,153.86
6. Step 6: Final answer
   x = 1,673.44