Finding the Fourth Proportional to 12,965.30, 17,892.18 and 7,376.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,965.30 : 17,892.18 = 7,376.30 : x
2. Step 2: Convert to fraction form
   12,965.30/17,892.18 = 7,376.30/x
3. Step 3: Cross multiply
   12,965.30x = 17,892.18 × 7,376.30
4. Step 4: Simplify right side
   12,965.30x = 131,978,087.33
5. Step 5: Solve for x
   x = 131,978,087.33/12,965.30
6. Step 6: Final answer
   x = 10,179.33