Finding the Fourth Proportional to 23,684.46, 35,513.61 and 9,640.88

Step by Step Solution

1. Step 1: Write the proportion equation
   23,684.46 : 35,513.61 = 9,640.88 : x
2. Step 2: Convert to fraction form
   23,684.46/35,513.61 = 9,640.88/x
3. Step 3: Cross multiply
   23,684.46x = 35,513.61 × 9,640.88
4. Step 4: Simplify right side
   23,684.46x = 342,382,274.81
5. Step 5: Solve for x
   x = 342,382,274.81/23,684.46
6. Step 6: Final answer
   x = 14,455.99