Finding the Fourth Proportional to 13,123.14, 19,662.84 and 9,419.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,123.14 : 19,662.84 = 9,419.82 : x
2. Step 2: Convert to fraction form
   13,123.14/19,662.84 = 9,419.82/x
3. Step 3: Cross multiply
   13,123.14x = 19,662.84 × 9,419.82
4. Step 4: Simplify right side
   13,123.14x = 185,220,413.49
5. Step 5: Solve for x
   x = 185,220,413.49/13,123.14
6. Step 6: Final answer
   x = 14,114.03