Finding the Fourth Proportional to 17,677.37, 24,394.57 and 9,719.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,677.37 : 24,394.57 = 9,719.12 : x
2. Step 2: Convert to fraction form
   17,677.37/24,394.57 = 9,719.12/x
3. Step 3: Cross multiply
   17,677.37x = 24,394.57 × 9,719.12
4. Step 4: Simplify right side
   17,677.37x = 237,093,789.87
5. Step 5: Solve for x
   x = 237,093,789.87/17,677.37
6. Step 6: Final answer
   x = 13,412.28