Finding the Fourth Proportional to 11,126.10, 16,623.78 and 10,738.47

Step by Step Solution

1. Step 1: Write the proportion equation
   11,126.10 : 16,623.78 = 10,738.47 : x
2. Step 2: Convert to fraction form
   11,126.10/16,623.78 = 10,738.47/x
3. Step 3: Cross multiply
   11,126.10x = 16,623.78 × 10,738.47
4. Step 4: Simplify right side
   11,126.10x = 178,513,962.82
5. Step 5: Solve for x
   x = 178,513,962.82/11,126.10
6. Step 6: Final answer
   x = 16,044.61