Finding the Fourth Proportional to 14,014.88, 19,340.69 and 7,641.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,014.88 : 19,340.69 = 7,641.42 : x
2. Step 2: Convert to fraction form
   14,014.88/19,340.69 = 7,641.42/x
3. Step 3: Cross multiply
   14,014.88x = 19,340.69 × 7,641.42
4. Step 4: Simplify right side
   14,014.88x = 147,790,427.01
5. Step 5: Solve for x
   x = 147,790,427.01/14,014.88
6. Step 6: Final answer
   x = 10,545.25