Finding the Fourth Proportional to 17,818.07, 24,588.56 and 9,860.28

Step by Step Solution

1. Step 1: Write the proportion equation
   17,818.07 : 24,588.56 = 9,860.28 : x
2. Step 2: Convert to fraction form
   17,818.07/24,588.56 = 9,860.28/x
3. Step 3: Cross multiply
   17,818.07x = 24,588.56 × 9,860.28
4. Step 4: Simplify right side
   17,818.07x = 242,450,037.10
5. Step 5: Solve for x
   x = 242,450,037.10/17,818.07
6. Step 6: Final answer
   x = 13,606.98