Finding the Fourth Proportional to 9,086.58, 13,609.89 and 7,508.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,086.58 : 13,609.89 = 7,508.70 : x
2. Step 2: Convert to fraction form
   9,086.58/13,609.89 = 7,508.70/x
3. Step 3: Cross multiply
   9,086.58x = 13,609.89 × 7,508.70
4. Step 4: Simplify right side
   9,086.58x = 102,192,581.04
5. Step 5: Solve for x
   x = 102,192,581.04/9,086.58
6. Step 6: Final answer
   x = 11,246.54