Finding the Fourth Proportional to 2,056.06, 3,083.76 and 1,015.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.06 : 3,083.76 = 1,015.78 : x
2. Step 2: Convert to fraction form
   2,056.06/3,083.76 = 1,015.78/x
3. Step 3: Cross multiply
   2,056.06x = 3,083.76 × 1,015.78
4. Step 4: Simplify right side
   2,056.06x = 3,132,421.73
5. Step 5: Solve for x
   x = 3,132,421.73/2,056.06
6. Step 6: Final answer
   x = 1,523.51