Finding the Fourth Proportional to 3,836.52, 5,726.07 and 3,528.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,836.52 : 5,726.07 = 3,528.72 : x
2. Step 2: Convert to fraction form
   3,836.52/5,726.07 = 3,528.72/x
3. Step 3: Cross multiply
   3,836.52x = 5,726.07 × 3,528.72
4. Step 4: Simplify right side
   3,836.52x = 20,205,697.73
5. Step 5: Solve for x
   x = 20,205,697.73/3,836.52
6. Step 6: Final answer
   x = 5,266.67