Finding the Fourth Proportional to 17,815.86, 24,584.85 and 9,858.69

Step by Step Solution

1. Step 1: Write the proportion equation
   17,815.86 : 24,584.85 = 9,858.69 : x
2. Step 2: Convert to fraction form
   17,815.86/24,584.85 = 9,858.69/x
3. Step 3: Cross multiply
   17,815.86x = 24,584.85 × 9,858.69
4. Step 4: Simplify right side
   17,815.86x = 242,374,414.85
5. Step 5: Solve for x
   x = 242,374,414.85/17,815.86
6. Step 6: Final answer
   x = 13,604.42