Finding the Fourth Proportional to 2,218.80, 3,327.72 and 1,063.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218.80 : 3,327.72 = 1,063.92 : x
2. Step 2: Convert to fraction form
   2,218.80/3,327.72 = 1,063.92/x
3. Step 3: Cross multiply
   2,218.80x = 3,327.72 × 1,063.92
4. Step 4: Simplify right side
   2,218.80x = 3,540,427.86
5. Step 5: Solve for x
   x = 3,540,427.86/2,218.80
6. Step 6: Final answer
   x = 1,595.65