Finding the Fourth Proportional to 6,609.89, 9,910.69 and 3,487.93

Step by Step Solution

1. Step 1: Write the proportion equation
   6,609.89 : 9,910.69 = 3,487.93 : x
2. Step 2: Convert to fraction form
   6,609.89/9,910.69 = 3,487.93/x
3. Step 3: Cross multiply
   6,609.89x = 9,910.69 × 3,487.93
4. Step 4: Simplify right side
   6,609.89x = 34,567,792.97
5. Step 5: Solve for x
   x = 34,567,792.97/6,609.89
6. Step 6: Final answer
   x = 5,229.71