Finding the Fourth Proportional to 7,205.35, 10,809.34 and 3,507.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,205.35 : 10,809.34 = 3,507.59 : x
2. Step 2: Convert to fraction form
   7,205.35/10,809.34 = 3,507.59/x
3. Step 3: Cross multiply
   7,205.35x = 10,809.34 × 3,507.59
4. Step 4: Simplify right side
   7,205.35x = 37,914,732.89
5. Step 5: Solve for x
   x = 37,914,732.89/7,205.35
6. Step 6: Final answer
   x = 5,262.03