Finding the Fourth Proportional to 16,321.21, 22,510.53 and 10,941.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,321.21 : 22,510.53 = 10,941.89 : x
2. Step 2: Convert to fraction form
   16,321.21/22,510.53 = 10,941.89/x
3. Step 3: Cross multiply
   16,321.21x = 22,510.53 × 10,941.89
4. Step 4: Simplify right side
   16,321.21x = 246,307,630.55
5. Step 5: Solve for x
   x = 246,307,630.55/16,321.21
6. Step 6: Final answer
   x = 15,091.26