Finding the Fourth Proportional to 3,401.69, 5,103 and 1,061.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.69 : 5,103 = 1,061.87 : x
2. Step 2: Convert to fraction form
   3,401.69/5,103 = 1,061.87/x
3. Step 3: Cross multiply
   3,401.69x = 5,103 × 1,061.87
4. Step 4: Simplify right side
   3,401.69x = 5,418,697.10
5. Step 5: Solve for x
   x = 5,418,697.10/3,401.69
6. Step 6: Final answer
   x = 1,592.94