Finding the Fourth Proportional to 2,254.05, 3,109.73 and 1,309.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,254.05 : 3,109.73 = 1,309.69 : x
2. Step 2: Convert to fraction form
   2,254.05/3,109.73 = 1,309.69/x
3. Step 3: Cross multiply
   2,254.05x = 3,109.73 × 1,309.69
4. Step 4: Simplify right side
   2,254.05x = 4,072,767.96
5. Step 5: Solve for x
   x = 4,072,767.96/2,254.05
6. Step 6: Final answer
   x = 1,806.87