Finding the Fourth Proportional to 17,238.28, 25,857.57 and 4,759

Step by Step Solution

1. Step 1: Write the proportion equation
   17,238.28 : 25,857.57 = 4,759 : x
2. Step 2: Convert to fraction form
   17,238.28/25,857.57 = 4,759/x
3. Step 3: Cross multiply
   17,238.28x = 25,857.57 × 4,759
4. Step 4: Simplify right side
   17,238.28x = 123,056,175.63
5. Step 5: Solve for x
   x = 123,056,175.63/17,238.28
6. Step 6: Final answer
   x = 7,138.54