Finding the Fourth Proportional to 17,475.33, 24,116.54 and 9,921.99

Step by Step Solution

1. Step 1: Write the proportion equation
   17,475.33 : 24,116.54 = 9,921.99 : x
2. Step 2: Convert to fraction form
   17,475.33/24,116.54 = 9,921.99/x
3. Step 3: Cross multiply
   17,475.33x = 24,116.54 × 9,921.99
4. Step 4: Simplify right side
   17,475.33x = 239,284,019.10
5. Step 5: Solve for x
   x = 239,284,019.10/17,475.33
6. Step 6: Final answer
   x = 13,692.68