Finding the Fourth Proportional to 11,168.78, 16,733.79 and 6,777.01

Step by Step Solution

1. Step 1: Write the proportion equation
   11,168.78 : 16,733.79 = 6,777.01 : x
2. Step 2: Convert to fraction form
   11,168.78/16,733.79 = 6,777.01/x
3. Step 3: Cross multiply
   11,168.78x = 16,733.79 × 6,777.01
4. Step 4: Simplify right side
   11,168.78x = 113,404,978.50
5. Step 5: Solve for x
   x = 113,404,978.50/11,168.78
6. Step 6: Final answer
   x = 10,153.75