Finding the Fourth Proportional to 3,401.62, 5,103.89 and 1,842.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.62 : 5,103.89 = 1,842.72 : x
2. Step 2: Convert to fraction form
   3,401.62/5,103.89 = 1,842.72/x
3. Step 3: Cross multiply
   3,401.62x = 5,103.89 × 1,842.72
4. Step 4: Simplify right side
   3,401.62x = 9,405,040.18
5. Step 5: Solve for x
   x = 9,405,040.18/3,401.62
6. Step 6: Final answer
   x = 2,764.87