Finding the Fourth Proportional to 10,196.76, 15,293.31 and 2,800.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,196.76 : 15,293.31 = 2,800.25 : x
2. Step 2: Convert to fraction form
   10,196.76/15,293.31 = 2,800.25/x
3. Step 3: Cross multiply
   10,196.76x = 15,293.31 × 2,800.25
4. Step 4: Simplify right side
   10,196.76x = 42,825,014.86
5. Step 5: Solve for x
   x = 42,825,014.86/10,196.76
6. Step 6: Final answer
   x = 4,199.86