Finding the Fourth Proportional to 17,274.64, 23,838.42 and 9,721.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,274.64 : 23,838.42 = 9,721.12 : x
2. Step 2: Convert to fraction form
   17,274.64/23,838.42 = 9,721.12/x
3. Step 3: Cross multiply
   17,274.64x = 23,838.42 × 9,721.12
4. Step 4: Simplify right side
   17,274.64x = 231,736,141.43
5. Step 5: Solve for x
   x = 231,736,141.43/17,274.64
6. Step 6: Final answer
   x = 13,414.82