Finding the Fourth Proportional to 2,078.22, 2,864.91 and 1,487.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.22 : 2,864.91 = 1,487.73 : x
2. Step 2: Convert to fraction form
   2,078.22/2,864.91 = 1,487.73/x
3. Step 3: Cross multiply
   2,078.22x = 2,864.91 × 1,487.73
4. Step 4: Simplify right side
   2,078.22x = 4,262,212.55
5. Step 5: Solve for x
   x = 4,262,212.55/2,078.22
6. Step 6: Final answer
   x = 2,050.90