Finding the Fourth Proportional to 2,684.86, 4,028.73 and 1,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,684.86 : 4,028.73 = 1,145.50 : x
2. Step 2: Convert to fraction form
   2,684.86/4,028.73 = 1,145.50/x
3. Step 3: Cross multiply
   2,684.86x = 4,028.73 × 1,145.50
4. Step 4: Simplify right side
   2,684.86x = 4,614,910.22
5. Step 5: Solve for x
   x = 4,614,910.22/2,684.86
6. Step 6: Final answer
   x = 1,718.86