Finding the Fourth Proportional to 14,016.81, 19,342.71 and 7,729.14

Step by Step Solution

1. Step 1: Write the proportion equation
   14,016.81 : 19,342.71 = 7,729.14 : x
2. Step 2: Convert to fraction form
   14,016.81/19,342.71 = 7,729.14/x
3. Step 3: Cross multiply
   14,016.81x = 19,342.71 × 7,729.14
4. Step 4: Simplify right side
   14,016.81x = 149,502,513.57
5. Step 5: Solve for x
   x = 149,502,513.57/14,016.81
6. Step 6: Final answer
   x = 10,665.94