Finding the Fourth Proportional to 3,401.09, 5,102.10 and 1,061.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.09 : 5,102.10 = 1,061.30 : x
2. Step 2: Convert to fraction form
   3,401.09/5,102.10 = 1,061.30/x
3. Step 3: Cross multiply
   3,401.09x = 5,102.10 × 1,061.30
4. Step 4: Simplify right side
   3,401.09x = 5,414,858.73
5. Step 5: Solve for x
   x = 5,414,858.73/3,401.09
6. Step 6: Final answer
   x = 1,592.10