Finding the Fourth Proportional to 17,196.28, 25,759.86 and 8,971

Step by Step Solution

1. Step 1: Write the proportion equation
   17,196.28 : 25,759.86 = 8,971 : x
2. Step 2: Convert to fraction form
   17,196.28/25,759.86 = 8,971/x
3. Step 3: Cross multiply
   17,196.28x = 25,759.86 × 8,971
4. Step 4: Simplify right side
   17,196.28x = 231,091,704.06
5. Step 5: Solve for x
   x = 231,091,704.06/17,196.28
6. Step 6: Final answer
   x = 13,438.47