Finding the Fourth Proportional to 10,609.59, 15,910.28 and 3,587.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,609.59 : 15,910.28 = 3,587.73 : x
2. Step 2: Convert to fraction form
   10,609.59/15,910.28 = 3,587.73/x
3. Step 3: Cross multiply
   10,609.59x = 15,910.28 × 3,587.73
4. Step 4: Simplify right side
   10,609.59x = 57,081,770.93
5. Step 5: Solve for x
   x = 57,081,770.93/10,609.59
6. Step 6: Final answer
   x = 5,380.21