Finding the Fourth Proportional to 17,198.50, 23,733.94 and 10,129.28

Step by Step Solution

1. Step 1: Write the proportion equation
   17,198.50 : 23,733.94 = 10,129.28 : x
2. Step 2: Convert to fraction form
   17,198.50/23,733.94 = 10,129.28/x
3. Step 3: Cross multiply
   17,198.50x = 23,733.94 × 10,129.28
4. Step 4: Simplify right side
   17,198.50x = 240,407,723.76
5. Step 5: Solve for x
   x = 240,407,723.76/17,198.50
6. Step 6: Final answer
   x = 13,978.41