Finding the Fourth Proportional to 14,019.72, 21,015.39 and 9,092.49

Step by Step Solution

1. Step 1: Write the proportion equation
   14,019.72 : 21,015.39 = 9,092.49 : x
2. Step 2: Convert to fraction form
   14,019.72/21,015.39 = 9,092.49/x
3. Step 3: Cross multiply
   14,019.72x = 21,015.39 × 9,092.49
4. Step 4: Simplify right side
   14,019.72x = 191,082,223.42
5. Step 5: Solve for x
   x = 191,082,223.42/14,019.72
6. Step 6: Final answer
   x = 13,629.53