Finding the Fourth Proportional to 2,076.50, 2,867.48 and 1,320.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.50 : 2,867.48 = 1,320.54 : x
2. Step 2: Convert to fraction form
   2,076.50/2,867.48 = 1,320.54/x
3. Step 3: Cross multiply
   2,076.50x = 2,867.48 × 1,320.54
4. Step 4: Simplify right side
   2,076.50x = 3,786,609.64
5. Step 5: Solve for x
   x = 3,786,609.64/2,076.50
6. Step 6: Final answer
   x = 1,823.55