Finding the Fourth Proportional to 8,315.73, 12,475.89 and 3,636.14

Step by Step Solution

1. Step 1: Write the proportion equation
   8,315.73 : 12,475.89 = 3,636.14 : x
2. Step 2: Convert to fraction form
   8,315.73/12,475.89 = 3,636.14/x
3. Step 3: Cross multiply
   8,315.73x = 12,475.89 × 3,636.14
4. Step 4: Simplify right side
   8,315.73x = 45,364,020.29
5. Step 5: Solve for x
   x = 45,364,020.29/8,315.73
6. Step 6: Final answer
   x = 5,455.21