Finding the Fourth Proportional to 1,609.98, 2,230.85 and 1,575.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,609.98 : 2,230.85 = 1,575.42 : x
2. Step 2: Convert to fraction form
   1,609.98/2,230.85 = 1,575.42/x
3. Step 3: Cross multiply
   1,609.98x = 2,230.85 × 1,575.42
4. Step 4: Simplify right side
   1,609.98x = 3,514,517.83
5. Step 5: Solve for x
   x = 3,514,517.83/1,609.98
6. Step 6: Final answer
   x = 2,182.96