Finding the Fourth Proportional to 10,579.96, 15,870.72 and 3,559.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,579.96 : 15,870.72 = 3,559.94 : x
2. Step 2: Convert to fraction form
   10,579.96/15,870.72 = 3,559.94/x
3. Step 3: Cross multiply
   10,579.96x = 15,870.72 × 3,559.94
4. Step 4: Simplify right side
   10,579.96x = 56,498,784.44
5. Step 5: Solve for x
   x = 56,498,784.44/10,579.96
6. Step 6: Final answer
   x = 5,340.17