Finding the Fourth Proportional to 10,679.64, 16,021.62 and 3,756.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,679.64 : 16,021.62 = 3,756.12 : x
2. Step 2: Convert to fraction form
   10,679.64/16,021.62 = 3,756.12/x
3. Step 3: Cross multiply
   10,679.64x = 16,021.62 × 3,756.12
4. Step 4: Simplify right side
   10,679.64x = 60,179,127.31
5. Step 5: Solve for x
   x = 60,179,127.31/10,679.64
6. Step 6: Final answer
   x = 5,634.94