Finding the Fourth Proportional to 3,839.29, 5,751.28 and 2,958.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,839.29 : 5,751.28 = 2,958.72 : x
2. Step 2: Convert to fraction form
   3,839.29/5,751.28 = 2,958.72/x
3. Step 3: Cross multiply
   3,839.29x = 5,751.28 × 2,958.72
4. Step 4: Simplify right side
   3,839.29x = 17,016,427.16
5. Step 5: Solve for x
   x = 17,016,427.16/3,839.29
6. Step 6: Final answer
   x = 4,432.18