Finding the Fourth Proportional to 11,451.60, 17,162.37 and 8,299.62

Step by Step Solution

1. Step 1: Write the proportion equation
   11,451.60 : 17,162.37 = 8,299.62 : x
2. Step 2: Convert to fraction form
   11,451.60/17,162.37 = 8,299.62/x
3. Step 3: Cross multiply
   11,451.60x = 17,162.37 × 8,299.62
4. Step 4: Simplify right side
   11,451.60x = 142,441,149.30
5. Step 5: Solve for x
   x = 142,441,149.30/11,451.60
6. Step 6: Final answer
   x = 12,438.54