Finding the Fourth Proportional to 10,198.56, 14,073.95 and 5,722.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,198.56 : 14,073.95 = 5,722.30 : x
2. Step 2: Convert to fraction form
   10,198.56/14,073.95 = 5,722.30/x
3. Step 3: Cross multiply
   10,198.56x = 14,073.95 × 5,722.30
4. Step 4: Simplify right side
   10,198.56x = 80,535,316.82
5. Step 5: Solve for x
   x = 80,535,316.82/10,198.56
6. Step 6: Final answer
   x = 7,896.74