Finding the Fourth Proportional to 17,238.69, 25,857.51 and 4,759.47

Step by Step Solution

1. Step 1: Write the proportion equation
   17,238.69 : 25,857.51 = 4,759.47 : x
2. Step 2: Convert to fraction form
   17,238.69/25,857.51 = 4,759.47/x
3. Step 3: Cross multiply
   17,238.69x = 25,857.51 × 4,759.47
4. Step 4: Simplify right side
   17,238.69x = 123,068,025.27
5. Step 5: Solve for x
   x = 123,068,025.27/17,238.69
6. Step 6: Final answer
   x = 7,139.06