Finding the Fourth Proportional to 2,104.58, 2,905.05 and 1,443.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104.58 : 2,905.05 = 1,443.62 : x
2. Step 2: Convert to fraction form
   2,104.58/2,905.05 = 1,443.62/x
3. Step 3: Cross multiply
   2,104.58x = 2,905.05 × 1,443.62
4. Step 4: Simplify right side
   2,104.58x = 4,193,773.76
5. Step 5: Solve for x
   x = 4,193,773.76/2,104.58
6. Step 6: Final answer
   x = 1,992.69