Finding the Fourth Proportional to 16,238.27, 22,424.45 and 12,663.14

Step by Step Solution

1. Step 1: Write the proportion equation
   16,238.27 : 22,424.45 = 12,663.14 : x
2. Step 2: Convert to fraction form
   16,238.27/22,424.45 = 12,663.14/x
3. Step 3: Cross multiply
   16,238.27x = 22,424.45 × 12,663.14
4. Step 4: Simplify right side
   16,238.27x = 283,963,774.34
5. Step 5: Solve for x
   x = 283,963,774.34/16,238.27
6. Step 6: Final answer
   x = 17,487.31