Finding the Fourth Proportional to 21,314.17, 29,413.82 and 12,362.05

Step by Step Solution

1. Step 1: Write the proportion equation
   21,314.17 : 29,413.82 = 12,362.05 : x
2. Step 2: Convert to fraction form
   21,314.17/29,413.82 = 12,362.05/x
3. Step 3: Cross multiply
   21,314.17x = 29,413.82 × 12,362.05
4. Step 4: Simplify right side
   21,314.17x = 363,614,904.65
5. Step 5: Solve for x
   x = 363,614,904.65/21,314.17
6. Step 6: Final answer
   x = 17,059.78