Finding the Fourth Proportional to 10,196.21, 15,293.57 and 2,800.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,196.21 : 15,293.57 = 2,800.03 : x
2. Step 2: Convert to fraction form
   10,196.21/15,293.57 = 2,800.03/x
3. Step 3: Cross multiply
   10,196.21x = 15,293.57 × 2,800.03
4. Step 4: Simplify right side
   10,196.21x = 42,822,440.81
5. Step 5: Solve for x
   x = 42,822,440.81/10,196.21
6. Step 6: Final answer
   x = 4,199.84