Finding the Fourth Proportional to 2,078.40, 2,867.94 and 1,146.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.40 : 2,867.94 = 1,146.84 : x
2. Step 2: Convert to fraction form
   2,078.40/2,867.94 = 1,146.84/x
3. Step 3: Cross multiply
   2,078.40x = 2,867.94 × 1,146.84
4. Step 4: Simplify right side
   2,078.40x = 3,289,068.31
5. Step 5: Solve for x
   x = 3,289,068.31/2,078.40
6. Step 6: Final answer
   x = 1,582.50