Finding the Fourth Proportional to 1,730.69, 2,595.60 and 805.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,730.69 : 2,595.60 = 805.37 : x
2. Step 2: Convert to fraction form
   1,730.69/2,595.60 = 805.37/x
3. Step 3: Cross multiply
   1,730.69x = 2,595.60 × 805.37
4. Step 4: Simplify right side
   1,730.69x = 2,090,405.39
5. Step 5: Solve for x
   x = 2,090,405.39/1,730.69
6. Step 6: Final answer
   x = 1,207.85