Finding the Fourth Proportional to 16,300.29, 22,492.85 and 12,951.21

Step by Step Solution

1. Step 1: Write the proportion equation
   16,300.29 : 22,492.85 = 12,951.21 : x
2. Step 2: Convert to fraction form
   16,300.29/22,492.85 = 12,951.21/x
3. Step 3: Cross multiply
   16,300.29x = 22,492.85 × 12,951.21
4. Step 4: Simplify right side
   16,300.29x = 291,309,559.09
5. Step 5: Solve for x
   x = 291,309,559.09/16,300.29
6. Step 6: Final answer
   x = 17,871.43