Finding the Fourth Proportional to 2,671.32, 4,004.20 and 1,112.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,671.32 : 4,004.20 = 1,112.16 : x
2. Step 2: Convert to fraction form
   2,671.32/4,004.20 = 1,112.16/x
3. Step 3: Cross multiply
   2,671.32x = 4,004.20 × 1,112.16
4. Step 4: Simplify right side
   2,671.32x = 4,453,311.07
5. Step 5: Solve for x
   x = 4,453,311.07/2,671.32
6. Step 6: Final answer
   x = 1,667.08