Finding the Fourth Proportional to 2,311.69, 3,468.33 and 1,142.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,311.69 : 3,468.33 = 1,142.53 : x
2. Step 2: Convert to fraction form
   2,311.69/3,468.33 = 1,142.53/x
3. Step 3: Cross multiply
   2,311.69x = 3,468.33 × 1,142.53
4. Step 4: Simplify right side
   2,311.69x = 3,962,671.07
5. Step 5: Solve for x
   x = 3,962,671.07/2,311.69
6. Step 6: Final answer
   x = 1,714.19