Finding the Fourth Proportional to 11,825.39, 17,728.47 and 4,425.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,825.39 : 17,728.47 = 4,425.71 : x
2. Step 2: Convert to fraction form
   11,825.39/17,728.47 = 4,425.71/x
3. Step 3: Cross multiply
   11,825.39x = 17,728.47 × 4,425.71
4. Step 4: Simplify right side
   11,825.39x = 78,460,978.32
5. Step 5: Solve for x
   x = 78,460,978.32/11,825.39
6. Step 6: Final answer
   x = 6,634.96