Finding the Fourth Proportional to 17,144.88, 25,713.72 and 4,830

Step by Step Solution

1. Step 1: Write the proportion equation
   17,144.88 : 25,713.72 = 4,830 : x
2. Step 2: Convert to fraction form
   17,144.88/25,713.72 = 4,830/x
3. Step 3: Cross multiply
   17,144.88x = 25,713.72 × 4,830
4. Step 4: Simplify right side
   17,144.88x = 124,197,267.60
5. Step 5: Solve for x
   x = 124,197,267.60/17,144.88
6. Step 6: Final answer
   x = 7,243.99