Finding the Fourth Proportional to 2,076.56, 3,116.20 and 1,384

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.56 : 3,116.20 = 1,384 : x
2. Step 2: Convert to fraction form
   2,076.56/3,116.20 = 1,384/x
3. Step 3: Cross multiply
   2,076.56x = 3,116.20 × 1,384
4. Step 4: Simplify right side
   2,076.56x = 4,312,820.80
5. Step 5: Solve for x
   x = 4,312,820.80/2,076.56
6. Step 6: Final answer
   x = 2,076.91