Finding the Fourth Proportional to 14,016.38, 19,342.60 and 7,729.16

Step by Step Solution

1. Step 1: Write the proportion equation
   14,016.38 : 19,342.60 = 7,729.16 : x
2. Step 2: Convert to fraction form
   14,016.38/19,342.60 = 7,729.16/x
3. Step 3: Cross multiply
   14,016.38x = 19,342.60 × 7,729.16
4. Step 4: Simplify right side
   14,016.38x = 149,501,934.18
5. Step 5: Solve for x
   x = 149,501,934.18/14,016.38
6. Step 6: Final answer
   x = 10,666.23