Finding the Fourth Proportional to 11,738.88, 16,170.72 and 10,054.80

Step by Step Solution

1. Step 1: Write the proportion equation
   11,738.88 : 16,170.72 = 10,054.80 : x
2. Step 2: Convert to fraction form
   11,738.88/16,170.72 = 10,054.80/x
3. Step 3: Cross multiply
   11,738.88x = 16,170.72 × 10,054.80
4. Step 4: Simplify right side
   11,738.88x = 162,593,355.46
5. Step 5: Solve for x
   x = 162,593,355.46/11,738.88
6. Step 6: Final answer
   x = 13,850.84