Finding the Fourth Proportional to 3,842.62, 5,757.62 and 3,698.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,842.62 : 5,757.62 = 3,698.72 : x
2. Step 2: Convert to fraction form
   3,842.62/5,757.62 = 3,698.72/x
3. Step 3: Cross multiply
   3,842.62x = 5,757.62 × 3,698.72
4. Step 4: Simplify right side
   3,842.62x = 21,295,824.25
5. Step 5: Solve for x
   x = 21,295,824.25/3,842.62
6. Step 6: Final answer
   x = 5,542.01