Finding the Fourth Proportional to 2,056.17, 2,818.48 and 2,028.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.17 : 2,818.48 = 2,028.48 : x
2. Step 2: Convert to fraction form
   2,056.17/2,818.48 = 2,028.48/x
3. Step 3: Cross multiply
   2,056.17x = 2,818.48 × 2,028.48
4. Step 4: Simplify right side
   2,056.17x = 5,717,230.31
5. Step 5: Solve for x
   x = 5,717,230.31/2,056.17
6. Step 6: Final answer
   x = 2,780.52