Finding the Fourth Proportional to 2,856.39, 4,283.00 and 881.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,856.39 : 4,283.00 = 881.46 : x
2. Step 2: Convert to fraction form
   2,856.39/4,283.00 = 881.46/x
3. Step 3: Cross multiply
   2,856.39x = 4,283.00 × 881.46
4. Step 4: Simplify right side
   2,856.39x = 3,775,298.46
5. Step 5: Solve for x
   x = 3,775,298.46/2,856.39
6. Step 6: Final answer
   x = 1,321.70