Finding the Fourth Proportional to 2,272.42, 3,135.90 and 1,609.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,272.42 : 3,135.90 = 1,609.48 : x
2. Step 2: Convert to fraction form
   2,272.42/3,135.90 = 1,609.48/x
3. Step 3: Cross multiply
   2,272.42x = 3,135.90 × 1,609.48
4. Step 4: Simplify right side
   2,272.42x = 5,047,168.33
5. Step 5: Solve for x
   x = 5,047,168.33/2,272.42
6. Step 6: Final answer
   x = 2,221.05