Finding the Fourth Proportional to 2,856.59, 4,284.06 and 1,101.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,856.59 : 4,284.06 = 1,101.45 : x
2. Step 2: Convert to fraction form
   2,856.59/4,284.06 = 1,101.45/x
3. Step 3: Cross multiply
   2,856.59x = 4,284.06 × 1,101.45
4. Step 4: Simplify right side
   2,856.59x = 4,718,677.89
5. Step 5: Solve for x
   x = 4,718,677.89/2,856.59
6. Step 6: Final answer
   x = 1,651.86