Finding the Fourth Proportional to 17,139.88, 25,706.22 and 4,825

Step by Step Solution

1. Step 1: Write the proportion equation
   17,139.88 : 25,706.22 = 4,825 : x
2. Step 2: Convert to fraction form
   17,139.88/25,706.22 = 4,825/x
3. Step 3: Cross multiply
   17,139.88x = 25,706.22 × 4,825
4. Step 4: Simplify right side
   17,139.88x = 124,032,511.50
5. Step 5: Solve for x
   x = 124,032,511.50/17,139.88
6. Step 6: Final answer
   x = 7,236.49