Finding the Fourth Proportional to 17,138.88, 25,704.72 and 4,824

Step by Step Solution

1. Step 1: Write the proportion equation
   17,138.88 : 25,704.72 = 4,824 : x
2. Step 2: Convert to fraction form
   17,138.88/25,704.72 = 4,824/x
3. Step 3: Cross multiply
   17,138.88x = 25,704.72 × 4,824
4. Step 4: Simplify right side
   17,138.88x = 123,999,569.28
5. Step 5: Solve for x
   x = 123,999,569.28/17,138.88
6. Step 6: Final answer
   x = 7,234.99