Finding the Fourth Proportional to 1,705.27, 2,555.28 and 1,010.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,705.27 : 2,555.28 = 1,010.55 : x
2. Step 2: Convert to fraction form
   1,705.27/2,555.28 = 1,010.55/x
3. Step 3: Cross multiply
   1,705.27x = 2,555.28 × 1,010.55
4. Step 4: Simplify right side
   1,705.27x = 2,582,238.20
5. Step 5: Solve for x
   x = 2,582,238.20/1,705.27
6. Step 6: Final answer
   x = 1,514.27