Finding the Fourth Proportional to 11,170.89, 16,758.15 and 3,775.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,170.89 : 16,758.15 = 3,775.78 : x
2. Step 2: Convert to fraction form
   11,170.89/16,758.15 = 3,775.78/x
3. Step 3: Cross multiply
   11,170.89x = 16,758.15 × 3,775.78
4. Step 4: Simplify right side
   11,170.89x = 63,275,087.61
5. Step 5: Solve for x
   x = 63,275,087.61/11,170.89
6. Step 6: Final answer
   x = 5,664.28