Finding the Fourth Proportional to 2,958.52, 4,439.94 and 1,111.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,958.52 : 4,439.94 = 1,111.45 : x
2. Step 2: Convert to fraction form
   2,958.52/4,439.94 = 1,111.45/x
3. Step 3: Cross multiply
   2,958.52x = 4,439.94 × 1,111.45
4. Step 4: Simplify right side
   2,958.52x = 4,934,771.31
5. Step 5: Solve for x
   x = 4,934,771.31/2,958.52
6. Step 6: Final answer
   x = 1,667.99