Finding the Fourth Proportional to 14,016.54, 19,342.96 and 7,643.08

Step by Step Solution

1. Step 1: Write the proportion equation
   14,016.54 : 19,342.96 = 7,643.08 : x
2. Step 2: Convert to fraction form
   14,016.54/19,342.96 = 7,643.08/x
3. Step 3: Cross multiply
   14,016.54x = 19,342.96 × 7,643.08
4. Step 4: Simplify right side
   14,016.54x = 147,839,790.72
5. Step 5: Solve for x
   x = 147,839,790.72/14,016.54
6. Step 6: Final answer
   x = 10,547.52