Finding the Fourth Proportional to 17,815.14, 24,582.89 and 9,856.69

Step by Step Solution

1. Step 1: Write the proportion equation
   17,815.14 : 24,582.89 = 9,856.69 : x
2. Step 2: Convert to fraction form
   17,815.14/24,582.89 = 9,856.69/x
3. Step 3: Cross multiply
   17,815.14x = 24,582.89 × 9,856.69
4. Step 4: Simplify right side
   17,815.14x = 242,305,889.22
5. Step 5: Solve for x
   x = 242,305,889.22/17,815.14
6. Step 6: Final answer
   x = 13,601.12