Finding the Fourth Proportional to 11,131.26, 16,698.78 and 3,738.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,131.26 : 16,698.78 = 3,738.12 : x
2. Step 2: Convert to fraction form
   11,131.26/16,698.78 = 3,738.12/x
3. Step 3: Cross multiply
   11,131.26x = 16,698.78 × 3,738.12
4. Step 4: Simplify right side
   11,131.26x = 62,422,043.49
5. Step 5: Solve for x
   x = 62,422,043.49/11,131.26
6. Step 6: Final answer
   x = 5,607.81