Finding the Fourth Proportional to 17,815.39, 24,585.04 and 9,857.27

Step by Step Solution

1. Step 1: Write the proportion equation
   17,815.39 : 24,585.04 = 9,857.27 : x
2. Step 2: Convert to fraction form
   17,815.39/24,585.04 = 9,857.27/x
3. Step 3: Cross multiply
   17,815.39x = 24,585.04 × 9,857.27
4. Step 4: Simplify right side
   17,815.39x = 242,341,377.24
5. Step 5: Solve for x
   x = 242,341,377.24/17,815.39
6. Step 6: Final answer
   x = 13,602.92