Finding the Fourth Proportional to 12,965.28, 17,892.08 and 7,662

Step by Step Solution

1. Step 1: Write the proportion equation
   12,965.28 : 17,892.08 = 7,662 : x
2. Step 2: Convert to fraction form
   12,965.28/17,892.08 = 7,662/x
3. Step 3: Cross multiply
   12,965.28x = 17,892.08 × 7,662
4. Step 4: Simplify right side
   12,965.28x = 137,089,116.96
5. Step 5: Solve for x
   x = 137,089,116.96/12,965.28
6. Step 6: Final answer
   x = 10,573.56