Finding the Fourth Proportional to 12,967.08, 17,893.87 and 7,659.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,967.08 : 17,893.87 = 7,659.96 : x
2. Step 2: Convert to fraction form
   12,967.08/17,893.87 = 7,659.96/x
3. Step 3: Cross multiply
   12,967.08x = 17,893.87 × 7,659.96
4. Step 4: Simplify right side
   12,967.08x = 137,066,328.45
5. Step 5: Solve for x
   x = 137,066,328.45/12,967.08
6. Step 6: Final answer
   x = 10,570.33