Finding the Fourth Proportional to 2,856.32, 4,283.71 and 1,101.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,856.32 : 4,283.71 = 1,101.55 : x
2. Step 2: Convert to fraction form
   2,856.32/4,283.71 = 1,101.55/x
3. Step 3: Cross multiply
   2,856.32x = 4,283.71 × 1,101.55
4. Step 4: Simplify right side
   2,856.32x = 4,718,707.29
5. Step 5: Solve for x
   x = 4,718,707.29/2,856.32
6. Step 6: Final answer
   x = 1,652.03