Finding the Fourth Proportional to 1,831.34, 2,525.78 and 1,609.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,831.34 : 2,525.78 = 1,609.82 : x
2. Step 2: Convert to fraction form
   1,831.34/2,525.78 = 1,609.82/x
3. Step 3: Cross multiply
   1,831.34x = 2,525.78 × 1,609.82
4. Step 4: Simplify right side
   1,831.34x = 4,066,051.16
5. Step 5: Solve for x
   x = 4,066,051.16/1,831.34
6. Step 6: Final answer
   x = 2,220.26