Finding the Fourth Proportional to 16,011.27, 22,106.52 and 12,670.43

Step by Step Solution

1. Step 1: Write the proportion equation
   16,011.27 : 22,106.52 = 12,670.43 : x
2. Step 2: Convert to fraction form
   16,011.27/22,106.52 = 12,670.43/x
3. Step 3: Cross multiply
   16,011.27x = 22,106.52 × 12,670.43
4. Step 4: Simplify right side
   16,011.27x = 280,099,003.67
5. Step 5: Solve for x
   x = 280,099,003.67/16,011.27
6. Step 6: Final answer
   x = 17,493.87