Finding the Fourth Proportional to 1,807.92, 2,493.54 and 1,249.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,807.92 : 2,493.54 = 1,249.31 : x
2. Step 2: Convert to fraction form
   1,807.92/2,493.54 = 1,249.31/x
3. Step 3: Cross multiply
   1,807.92x = 2,493.54 × 1,249.31
4. Step 4: Simplify right side
   1,807.92x = 3,115,210.69
5. Step 5: Solve for x
   x = 3,115,210.69/1,807.92
6. Step 6: Final answer
   x = 1,723.09