Finding the Fourth Proportional to 2,856.32, 4,284.71 and 981.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,856.32 : 4,284.71 = 981.46 : x
2. Step 2: Convert to fraction form
   2,856.32/4,284.71 = 981.46/x
3. Step 3: Cross multiply
   2,856.32x = 4,284.71 × 981.46
4. Step 4: Simplify right side
   2,856.32x = 4,205,263.22
5. Step 5: Solve for x
   x = 4,205,263.22/2,856.32
6. Step 6: Final answer
   x = 1,472.26