Finding the Fourth Proportional to 17,815.95, 24,586.61 and 9,858.92

Step by Step Solution

1. Step 1: Write the proportion equation
   17,815.95 : 24,586.61 = 9,858.92 : x
2. Step 2: Convert to fraction form
   17,815.95/24,586.61 = 9,858.92/x
3. Step 3: Cross multiply
   17,815.95x = 24,586.61 × 9,858.92
4. Step 4: Simplify right side
   17,815.95x = 242,397,248.83
5. Step 5: Solve for x
   x = 242,397,248.83/17,815.95
6. Step 6: Final answer
   x = 13,605.63