Finding the Fourth Proportional to 2,672.48, 4,008.41 and 1,112.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,672.48 : 4,008.41 = 1,112.72 : x
2. Step 2: Convert to fraction form
   2,672.48/4,008.41 = 1,112.72/x
3. Step 3: Cross multiply
   2,672.48x = 4,008.41 × 1,112.72
4. Step 4: Simplify right side
   2,672.48x = 4,460,222.39
5. Step 5: Solve for x
   x = 4,460,222.39/2,672.48
6. Step 6: Final answer
   x = 1,668.95