Finding the Fourth Proportional to 12,967.36, 17,894.52 and 7,662.07

Step by Step Solution

1. Step 1: Write the proportion equation
   12,967.36 : 17,894.52 = 7,662.07 : x
2. Step 2: Convert to fraction form
   12,967.36/17,894.52 = 7,662.07/x
3. Step 3: Cross multiply
   12,967.36x = 17,894.52 × 7,662.07
4. Step 4: Simplify right side
   12,967.36x = 137,109,064.86
5. Step 5: Solve for x
   x = 137,109,064.86/12,967.36
6. Step 6: Final answer
   x = 10,573.40