Finding the Fourth Proportional to 3,501.42, 4,831.56 and 2,009.19

Step by Step Solution

1. Step 1: Write the proportion equation
   3,501.42 : 4,831.56 = 2,009.19 : x
2. Step 2: Convert to fraction form
   3,501.42/4,831.56 = 2,009.19/x
3. Step 3: Cross multiply
   3,501.42x = 4,831.56 × 2,009.19
4. Step 4: Simplify right side
   3,501.42x = 9,707,522.04
5. Step 5: Solve for x
   x = 9,707,522.04/3,501.42
6. Step 6: Final answer
   x = 2,772.45