Finding the Fourth Proportional to 2,993.60, 4,488.31 and 1,326.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,993.60 : 4,488.31 = 1,326.82 : x
2. Step 2: Convert to fraction form
   2,993.60/4,488.31 = 1,326.82/x
3. Step 3: Cross multiply
   2,993.60x = 4,488.31 × 1,326.82
4. Step 4: Simplify right side
   2,993.60x = 5,955,150.40
5. Step 5: Solve for x
   x = 5,955,150.40/2,993.60
6. Step 6: Final answer
   x = 1,989.30