Finding the Fourth Proportional to 10,581.69, 15,873.89 and 3,558.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,581.69 : 15,873.89 = 3,558.69 : x
2. Step 2: Convert to fraction form
   10,581.69/15,873.89 = 3,558.69/x
3. Step 3: Cross multiply
   10,581.69x = 15,873.89 × 3,558.69
4. Step 4: Simplify right side
   10,581.69x = 56,490,235.81
5. Step 5: Solve for x
   x = 56,490,235.81/10,581.69
6. Step 6: Final answer
   x = 5,338.49