Finding the Fourth Proportional to 14,016.02, 19,341.72 and 7,642.79

Step by Step Solution

1. Step 1: Write the proportion equation
   14,016.02 : 19,341.72 = 7,642.79 : x
2. Step 2: Convert to fraction form
   14,016.02/19,341.72 = 7,642.79/x
3. Step 3: Cross multiply
   14,016.02x = 19,341.72 × 7,642.79
4. Step 4: Simplify right side
   14,016.02x = 147,824,680.02
5. Step 5: Solve for x
   x = 147,824,680.02/14,016.02
6. Step 6: Final answer
   x = 10,546.84