Finding the Fourth Proportional to 17,323.84, 23,906.72 and 9,872

Step by Step Solution

1. Step 1: Write the proportion equation
   17,323.84 : 23,906.72 = 9,872 : x
2. Step 2: Convert to fraction form
   17,323.84/23,906.72 = 9,872/x
3. Step 3: Cross multiply
   17,323.84x = 23,906.72 × 9,872
4. Step 4: Simplify right side
   17,323.84x = 236,007,139.84
5. Step 5: Solve for x
   x = 236,007,139.84/17,323.84
6. Step 6: Final answer
   x = 13,623.26