Finding the Fourth Proportional to 14,290.16, 21,433.56 and 5,965.12

Step by Step Solution

1. Step 1: Write the proportion equation
   14,290.16 : 21,433.56 = 5,965.12 : x
2. Step 2: Convert to fraction form
   14,290.16/21,433.56 = 5,965.12/x
3. Step 3: Cross multiply
   14,290.16x = 21,433.56 × 5,965.12
4. Step 4: Simplify right side
   14,290.16x = 127,853,757.43
5. Step 5: Solve for x
   x = 127,853,757.43/14,290.16
6. Step 6: Final answer
   x = 8,946.98