Finding the Fourth Proportional to 10,582.67, 15,870.51 and 3,560.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,582.67 : 15,870.51 = 3,560.78 : x
2. Step 2: Convert to fraction form
   10,582.67/15,870.51 = 3,560.78/x
3. Step 3: Cross multiply
   10,582.67x = 15,870.51 × 3,560.78
4. Step 4: Simplify right side
   10,582.67x = 56,511,315.25
5. Step 5: Solve for x
   x = 56,511,315.25/10,582.67
6. Step 6: Final answer
   x = 5,339.99