Finding the Fourth Proportional to 12,953.38, 17,881.45 and 9,968.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,953.38 : 17,881.45 = 9,968.10 : x
2. Step 2: Convert to fraction form
   12,953.38/17,881.45 = 9,968.10/x
3. Step 3: Cross multiply
   12,953.38x = 17,881.45 × 9,968.10
4. Step 4: Simplify right side
   12,953.38x = 178,244,081.75
5. Step 5: Solve for x
   x = 178,244,081.75/12,953.38
6. Step 6: Final answer
   x = 13,760.43