Finding the Fourth Proportional to 10,198.56, 15,297.82 and 2,803.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,198.56 : 15,297.82 = 2,803.05 : x
2. Step 2: Convert to fraction form
   10,198.56/15,297.82 = 2,803.05/x
3. Step 3: Cross multiply
   10,198.56x = 15,297.82 × 2,803.05
4. Step 4: Simplify right side
   10,198.56x = 42,880,554.35
5. Step 5: Solve for x
   x = 42,880,554.35/10,198.56
6. Step 6: Final answer
   x = 4,204.57