Finding the Fourth Proportional to 3,401.55, 5,103.09 and 1,210.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.55 : 5,103.09 = 1,210.50 : x
2. Step 2: Convert to fraction form
   3,401.55/5,103.09 = 1,210.50/x
3. Step 3: Cross multiply
   3,401.55x = 5,103.09 × 1,210.50
4. Step 4: Simplify right side
   3,401.55x = 6,177,290.45
5. Step 5: Solve for x
   x = 6,177,290.45/3,401.55
6. Step 6: Final answer
   x = 1,816.02