Finding the Fourth Proportional to 2,867.24, 4,300.74 and 1,111.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,867.24 : 4,300.74 = 1,111.76 : x
2. Step 2: Convert to fraction form
   2,867.24/4,300.74 = 1,111.76/x
3. Step 3: Cross multiply
   2,867.24x = 4,300.74 × 1,111.76
4. Step 4: Simplify right side
   2,867.24x = 4,781,390.70
5. Step 5: Solve for x
   x = 4,781,390.70/2,867.24
6. Step 6: Final answer
   x = 1,667.59