Finding the Fourth Proportional to 8,945.82, 13,418.70 and 2,789.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,945.82 : 13,418.70 = 2,789.82 : x
2. Step 2: Convert to fraction form
   8,945.82/13,418.70 = 2,789.82/x
3. Step 3: Cross multiply
   8,945.82x = 13,418.70 × 2,789.82
4. Step 4: Simplify right side
   8,945.82x = 37,435,757.63
5. Step 5: Solve for x
   x = 37,435,757.63/8,945.82
6. Step 6: Final answer
   x = 4,184.72