Finding the Fourth Proportional to 2,040.83, 3,061.24 and 579.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.83 : 3,061.24 = 579.79 : x
2. Step 2: Convert to fraction form
   2,040.83/3,061.24 = 579.79/x
3. Step 3: Cross multiply
   2,040.83x = 3,061.24 × 579.79
4. Step 4: Simplify right side
   2,040.83x = 1,774,881.98
5. Step 5: Solve for x
   x = 1,774,881.98/2,040.83
6. Step 6: Final answer
   x = 869.69