Finding the Fourth Proportional to 17,817.82, 24,588.22 and 9,859.57

Step by Step Solution

1. Step 1: Write the proportion equation
   17,817.82 : 24,588.22 = 9,859.57 : x
2. Step 2: Convert to fraction form
   17,817.82/24,588.22 = 9,859.57/x
3. Step 3: Cross multiply
   17,817.82x = 24,588.22 × 9,859.57
4. Step 4: Simplify right side
   17,817.82x = 242,429,276.27
5. Step 5: Solve for x
   x = 242,429,276.27/17,817.82
6. Step 6: Final answer
   x = 13,606.00