Finding the Fourth Proportional to 2,579.89, 3,869.25 and 730.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,579.89 : 3,869.25 = 730.51 : x
2. Step 2: Convert to fraction form
   2,579.89/3,869.25 = 730.51/x
3. Step 3: Cross multiply
   2,579.89x = 3,869.25 × 730.51
4. Step 4: Simplify right side
   2,579.89x = 2,826,506.47
5. Step 5: Solve for x
   x = 2,826,506.47/2,579.89
6. Step 6: Final answer
   x = 1,095.59