Finding the Fourth Proportional to 3,839.48, 5,729.28 and 3,425.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,839.48 : 5,729.28 = 3,425.77 : x
2. Step 2: Convert to fraction form
   3,839.48/5,729.28 = 3,425.77/x
3. Step 3: Cross multiply
   3,839.48x = 5,729.28 × 3,425.77
4. Step 4: Simplify right side
   3,839.48x = 19,627,189.86
5. Step 5: Solve for x
   x = 19,627,189.86/3,839.48
6. Step 6: Final answer
   x = 5,111.94