Finding the Fourth Proportional to 1,705.73, 2,556.83 and 1,157.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,705.73 : 2,556.83 = 1,157.96 : x
2. Step 2: Convert to fraction form
   1,705.73/2,556.83 = 1,157.96/x
3. Step 3: Cross multiply
   1,705.73x = 2,556.83 × 1,157.96
4. Step 4: Simplify right side
   1,705.73x = 2,960,716.15
5. Step 5: Solve for x
   x = 2,960,716.15/1,705.73
6. Step 6: Final answer
   x = 1,735.75