Finding the Fourth Proportional to 1,705.89, 2,556.43 and 1,357.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,705.89 : 2,556.43 = 1,357.67 : x
2. Step 2: Convert to fraction form
   1,705.89/2,556.43 = 1,357.67/x
3. Step 3: Cross multiply
   1,705.89x = 2,556.43 × 1,357.67
4. Step 4: Simplify right side
   1,705.89x = 3,470,791.31
5. Step 5: Solve for x
   x = 3,470,791.31/1,705.89
6. Step 6: Final answer
   x = 2,034.59