Finding the Fourth Proportional to 23,142.24, 34,685.60 and 10,645.07

Step by Step Solution

1. Step 1: Write the proportion equation
   23,142.24 : 34,685.60 = 10,645.07 : x
2. Step 2: Convert to fraction form
   23,142.24/34,685.60 = 10,645.07/x
3. Step 3: Cross multiply
   23,142.24x = 34,685.60 × 10,645.07
4. Step 4: Simplify right side
   23,142.24x = 369,230,413.34
5. Step 5: Solve for x
   x = 369,230,413.34/23,142.24
6. Step 6: Final answer
   x = 15,954.83