Finding the Fourth Proportional to 12,967.44, 17,892.56 and 7,932.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,967.44 : 17,892.56 = 7,932.80 : x
2. Step 2: Convert to fraction form
   12,967.44/17,892.56 = 7,932.80/x
3. Step 3: Cross multiply
   12,967.44x = 17,892.56 × 7,932.80
4. Step 4: Simplify right side
   12,967.44x = 141,938,099.97
5. Step 5: Solve for x
   x = 141,938,099.97/12,967.44
6. Step 6: Final answer
   x = 10,945.73