Finding the Fourth Proportional to 12,167.52, 16,766.88 and 7,968.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,167.52 : 16,766.88 = 7,968.48 : x
2. Step 2: Convert to fraction form
   12,167.52/16,766.88 = 7,968.48/x
3. Step 3: Cross multiply
   12,167.52x = 16,766.88 × 7,968.48
4. Step 4: Simplify right side
   12,167.52x = 133,606,547.94
5. Step 5: Solve for x
   x = 133,606,547.94/12,167.52
6. Step 6: Final answer
   x = 10,980.59