Finding the Fourth Proportional to 15,941.50, 21,998.82 and 8,868.16

Step by Step Solution

1. Step 1: Write the proportion equation
   15,941.50 : 21,998.82 = 8,868.16 : x
2. Step 2: Convert to fraction form
   15,941.50/21,998.82 = 8,868.16/x
3. Step 3: Cross multiply
   15,941.50x = 21,998.82 × 8,868.16
4. Step 4: Simplify right side
   15,941.50x = 195,089,055.57
5. Step 5: Solve for x
   x = 195,089,055.57/15,941.50
6. Step 6: Final answer
   x = 12,237.81