Finding the Fourth Proportional to 16,981.93, 23,433.81 and 9,812.17

Step by Step Solution

1. Step 1: Write the proportion equation
   16,981.93 : 23,433.81 = 9,812.17 : x
2. Step 2: Convert to fraction form
   16,981.93/23,433.81 = 9,812.17/x
3. Step 3: Cross multiply
   16,981.93x = 23,433.81 × 9,812.17
4. Step 4: Simplify right side
   16,981.93x = 229,936,527.47
5. Step 5: Solve for x
   x = 229,936,527.47/16,981.93
6. Step 6: Final answer
   x = 13,540.07