Finding the Fourth Proportional to 2,958.84, 4,439.97 and 1,111.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,958.84 : 4,439.97 = 1,111.23 : x
2. Step 2: Convert to fraction form
   2,958.84/4,439.97 = 1,111.23/x
3. Step 3: Cross multiply
   2,958.84x = 4,439.97 × 1,111.23
4. Step 4: Simplify right side
   2,958.84x = 4,933,827.86
5. Step 5: Solve for x
   x = 4,933,827.86/2,958.84
6. Step 6: Final answer
   x = 1,667.49