Finding the Fourth Proportional to 3,699.83, 5,097.06 and 2,578.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,699.83 : 5,097.06 = 2,578.73 : x
2. Step 2: Convert to fraction form
   3,699.83/5,097.06 = 2,578.73/x
3. Step 3: Cross multiply
   3,699.83x = 5,097.06 × 2,578.73
4. Step 4: Simplify right side
   3,699.83x = 13,143,916.05
5. Step 5: Solve for x
   x = 13,143,916.05/3,699.83
6. Step 6: Final answer
   x = 3,552.58