Finding the Fourth Proportional to 3,401.48, 5,102.69 and 1,060.85

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.48 : 5,102.69 = 1,060.85 : x
2. Step 2: Convert to fraction form
   3,401.48/5,102.69 = 1,060.85/x
3. Step 3: Cross multiply
   3,401.48x = 5,102.69 × 1,060.85
4. Step 4: Simplify right side
   3,401.48x = 5,413,157.87
5. Step 5: Solve for x
   x = 5,413,157.87/3,401.48
6. Step 6: Final answer
   x = 1,591.41