Finding the Fourth Proportional to 2,039.83, 3,059.83 and 579.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,039.83 : 3,059.83 = 579.10 : x
2. Step 2: Convert to fraction form
   2,039.83/3,059.83 = 579.10/x
3. Step 3: Cross multiply
   2,039.83x = 3,059.83 × 579.10
4. Step 4: Simplify right side
   2,039.83x = 1,771,943.11
5. Step 5: Solve for x
   x = 1,771,943.11/2,039.83
6. Step 6: Final answer
   x = 868.67