Finding the Fourth Proportional to 3,401.80, 5,103.50 and 1,061.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.80 : 5,103.50 = 1,061.72 : x
2. Step 2: Convert to fraction form
   3,401.80/5,103.50 = 1,061.72/x
3. Step 3: Cross multiply
   3,401.80x = 5,103.50 × 1,061.72
4. Step 4: Simplify right side
   3,401.80x = 5,418,488.02
5. Step 5: Solve for x
   x = 5,418,488.02/3,401.80
6. Step 6: Final answer
   x = 1,592.83