Finding the Fourth Proportional to 3,420.05, 5,139.69 and 2,033.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,420.05 : 5,139.69 = 2,033.63 : x
2. Step 2: Convert to fraction form
   3,420.05/5,139.69 = 2,033.63/x
3. Step 3: Cross multiply
   3,420.05x = 5,139.69 × 2,033.63
4. Step 4: Simplify right side
   3,420.05x = 10,452,213.72
5. Step 5: Solve for x
   x = 10,452,213.72/3,420.05
6. Step 6: Final answer
   x = 3,056.16