Finding the Fourth Proportional to 3,429.33, 5,146.77 and 1,786.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,429.33 : 5,146.77 = 1,786.34 : x
2. Step 2: Convert to fraction form
   3,429.33/5,146.77 = 1,786.34/x
3. Step 3: Cross multiply
   3,429.33x = 5,146.77 × 1,786.34
4. Step 4: Simplify right side
   3,429.33x = 9,193,900.69
5. Step 5: Solve for x
   x = 9,193,900.69/3,429.33
6. Step 6: Final answer
   x = 2,680.96