Finding the Fourth Proportional to 10,196.46, 15,293.94 and 2,800.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,196.46 : 15,293.94 = 2,800.28 : x
2. Step 2: Convert to fraction form
   10,196.46/15,293.94 = 2,800.28/x
3. Step 3: Cross multiply
   10,196.46x = 15,293.94 × 2,800.28
4. Step 4: Simplify right side
   10,196.46x = 42,827,352.54
5. Step 5: Solve for x
   x = 42,827,352.54/10,196.46
6. Step 6: Final answer
   x = 4,200.22