Finding the Fourth Proportional to 3,705.50, 5,113.60 and 2,134.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,705.50 : 5,113.60 = 2,134.10 : x
2. Step 2: Convert to fraction form
   3,705.50/5,113.60 = 2,134.10/x
3. Step 3: Cross multiply
   3,705.50x = 5,113.60 × 2,134.10
4. Step 4: Simplify right side
   3,705.50x = 10,912,933.76
5. Step 5: Solve for x
   x = 10,912,933.76/3,705.50
6. Step 6: Final answer
   x = 2,945.06