Finding the Fourth Proportional to 16,969.38, 23,412.87 and 9,798.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,969.38 : 23,412.87 = 9,798.72 : x
2. Step 2: Convert to fraction form
   16,969.38/23,412.87 = 9,798.72/x
3. Step 3: Cross multiply
   16,969.38x = 23,412.87 × 9,798.72
4. Step 4: Simplify right side
   16,969.38x = 229,416,157.53
5. Step 5: Solve for x
   x = 229,416,157.53/16,969.38
6. Step 6: Final answer
   x = 13,519.42