Finding the Fourth Proportional to 2,039.91, 3,058.46 and 807.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,039.91 : 3,058.46 = 807.46 : x
2. Step 2: Convert to fraction form
   2,039.91/3,058.46 = 807.46/x
3. Step 3: Cross multiply
   2,039.91x = 3,058.46 × 807.46
4. Step 4: Simplify right side
   2,039.91x = 2,469,575.46
5. Step 5: Solve for x
   x = 2,469,575.46/2,039.91
6. Step 6: Final answer
   x = 1,210.63