Finding the Fourth Proportional to 3,189.29, 4,758.30 and 2,838.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,189.29 : 4,758.30 = 2,838.42 : x
2. Step 2: Convert to fraction form
   3,189.29/4,758.30 = 2,838.42/x
3. Step 3: Cross multiply
   3,189.29x = 4,758.30 × 2,838.42
4. Step 4: Simplify right side
   3,189.29x = 13,506,053.89
5. Step 5: Solve for x
   x = 13,506,053.89/3,189.29
6. Step 6: Final answer
   x = 4,234.82