Finding the Fourth Proportional to 2,875.29, 3,965.46 and 2,429.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,875.29 : 3,965.46 = 2,429.35 : x
2. Step 2: Convert to fraction form
   2,875.29/3,965.46 = 2,429.35/x
3. Step 3: Cross multiply
   2,875.29x = 3,965.46 × 2,429.35
4. Step 4: Simplify right side
   2,875.29x = 9,633,480.34
5. Step 5: Solve for x
   x = 9,633,480.34/2,875.29
6. Step 6: Final answer
   x = 3,350.44