Finding the Fourth Proportional to 10,606.69, 15,910.05 and 3,586.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,606.69 : 15,910.05 = 3,586.72 : x
2. Step 2: Convert to fraction form
   10,606.69/15,910.05 = 3,586.72/x
3. Step 3: Cross multiply
   10,606.69x = 15,910.05 × 3,586.72
4. Step 4: Simplify right side
   10,606.69x = 57,064,894.54
5. Step 5: Solve for x
   x = 57,064,894.54/10,606.69
6. Step 6: Final answer
   x = 5,380.09