Finding the Fourth Proportional to 2,961.72, 4,441.77 and 1,112.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,961.72 : 4,441.77 = 1,112.22 : x
2. Step 2: Convert to fraction form
   2,961.72/4,441.77 = 1,112.22/x
3. Step 3: Cross multiply
   2,961.72x = 4,441.77 × 1,112.22
4. Step 4: Simplify right side
   2,961.72x = 4,940,225.43
5. Step 5: Solve for x
   x = 4,940,225.43/2,961.72
6. Step 6: Final answer
   x = 1,668.03