Finding the Fourth Proportional to 17,233.38, 23,780.39 and 9,678

Step by Step Solution

1. Step 1: Write the proportion equation
   17,233.38 : 23,780.39 = 9,678 : x
2. Step 2: Convert to fraction form
   17,233.38/23,780.39 = 9,678/x
3. Step 3: Cross multiply
   17,233.38x = 23,780.39 × 9,678
4. Step 4: Simplify right side
   17,233.38x = 230,146,566.03
5. Step 5: Solve for x
   x = 230,146,566.03/17,233.38
6. Step 6: Final answer
   x = 13,354.70