Finding the Fourth Proportional to 10,196.23, 15,291.81 and 2,800.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,196.23 : 15,291.81 = 2,800.32 : x
2. Step 2: Convert to fraction form
   10,196.23/15,291.81 = 2,800.32/x
3. Step 3: Cross multiply
   10,196.23x = 15,291.81 × 2,800.32
4. Step 4: Simplify right side
   10,196.23x = 42,821,961.38
5. Step 5: Solve for x
   x = 42,821,961.38/10,196.23
6. Step 6: Final answer
   x = 4,199.78