Finding the Fourth Proportional to 3,429.89, 5,144.81 and 832.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429.89 : 5,144.81 = 832.81 : x
2. Step 2: Convert to fraction form
   3,429.89/5,144.81 = 832.81/x
3. Step 3: Cross multiply
   3,429.89x = 5,144.81 × 832.81
4. Step 4: Simplify right side
   3,429.89x = 4,284,649.22
5. Step 5: Solve for x
   x = 4,284,649.22/3,429.89
6. Step 6: Final answer
   x = 1,249.21