Finding the Fourth Proportional to 3,410.28, 5,105.60 and 2,000.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,410.28 : 5,105.60 = 2,000.43 : x
2. Step 2: Convert to fraction form
   3,410.28/5,105.60 = 2,000.43/x
3. Step 3: Cross multiply
   3,410.28x = 5,105.60 × 2,000.43
4. Step 4: Simplify right side
   3,410.28x = 10,213,385.41
5. Step 5: Solve for x
   x = 10,213,385.41/3,410.28
6. Step 6: Final answer
   x = 2,994.88