Finding the Fourth Proportional to 4,298.64, 6,443.25 and 1,958.03

Step by Step Solution

1. Step 1: Write the proportion equation
   4,298.64 : 6,443.25 = 1,958.03 : x
2. Step 2: Convert to fraction form
   4,298.64/6,443.25 = 1,958.03/x
3. Step 3: Cross multiply
   4,298.64x = 6,443.25 × 1,958.03
4. Step 4: Simplify right side
   4,298.64x = 12,616,061.40
5. Step 5: Solve for x
   x = 12,616,061.40/4,298.64
6. Step 6: Final answer
   x = 2,934.90