Finding the Fourth Proportional to 2,993.83, 4,490.78 and 1,305.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,993.83 : 4,490.78 = 1,305.05 : x
2. Step 2: Convert to fraction form
   2,993.83/4,490.78 = 1,305.05/x
3. Step 3: Cross multiply
   2,993.83x = 4,490.78 × 1,305.05
4. Step 4: Simplify right side
   2,993.83x = 5,860,663.46
5. Step 5: Solve for x
   x = 5,860,663.46/2,993.83
6. Step 6: Final answer
   x = 1,957.58