Finding the Fourth Proportional to 17,238.56, 25,857.32 and 4,759.35

Step by Step Solution

1. Step 1: Write the proportion equation
   17,238.56 : 25,857.32 = 4,759.35 : x
2. Step 2: Convert to fraction form
   17,238.56/25,857.32 = 4,759.35/x
3. Step 3: Cross multiply
   17,238.56x = 25,857.32 × 4,759.35
4. Step 4: Simplify right side
   17,238.56x = 123,064,035.94
5. Step 5: Solve for x
   x = 123,064,035.94/17,238.56
6. Step 6: Final answer
   x = 7,138.88