Finding the Fourth Proportional to 2,867.19, 4,298.50 and 1,112.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,867.19 : 4,298.50 = 1,112.12 : x
2. Step 2: Convert to fraction form
   2,867.19/4,298.50 = 1,112.12/x
3. Step 3: Cross multiply
   2,867.19x = 4,298.50 × 1,112.12
4. Step 4: Simplify right side
   2,867.19x = 4,780,447.82
5. Step 5: Solve for x
   x = 4,780,447.82/2,867.19
6. Step 6: Final answer
   x = 1,667.29