Finding the Fourth Proportional to 17,896.39, 24,696.18 and 9,939.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,896.39 : 24,696.18 = 9,939.10 : x
2. Step 2: Convert to fraction form
   17,896.39/24,696.18 = 9,939.10/x
3. Step 3: Cross multiply
   17,896.39x = 24,696.18 × 9,939.10
4. Step 4: Simplify right side
   17,896.39x = 245,457,802.64
5. Step 5: Solve for x
   x = 245,457,802.64/17,896.39
6. Step 6: Final answer
   x = 13,715.49