Finding the Fourth Proportional to 10,198.16, 14,074.08 and 5,722.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,198.16 : 14,074.08 = 5,722.28 : x
2. Step 2: Convert to fraction form
   10,198.16/14,074.08 = 5,722.28/x
3. Step 3: Cross multiply
   10,198.16x = 14,074.08 × 5,722.28
4. Step 4: Simplify right side
   10,198.16x = 80,535,826.50
5. Step 5: Solve for x
   x = 80,535,826.50/10,198.16
6. Step 6: Final answer
   x = 7,897.09