Finding the Fourth Proportional to 14,016.28, 19,342.62 and 7,642.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,016.28 : 19,342.62 = 7,642.82 : x
2. Step 2: Convert to fraction form
   14,016.28/19,342.62 = 7,642.82/x
3. Step 3: Cross multiply
   14,016.28x = 19,342.62 × 7,642.82
4. Step 4: Simplify right side
   14,016.28x = 147,832,162.99
5. Step 5: Solve for x
   x = 147,832,162.99/14,016.28
6. Step 6: Final answer
   x = 10,547.18