Finding the Fourth Proportional to 2,039.98, 3,060.47 and 579.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,039.98 : 3,060.47 = 579.14 : x
2. Step 2: Convert to fraction form
   2,039.98/3,060.47 = 579.14/x
3. Step 3: Cross multiply
   2,039.98x = 3,060.47 × 579.14
4. Step 4: Simplify right side
   2,039.98x = 1,772,449.69
5. Step 5: Solve for x
   x = 1,772,449.69/2,039.98
6. Step 6: Final answer
   x = 868.86