Finding the Fourth Proportional to 10,266.75, 14,168.12 and 5,551.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,266.75 : 14,168.12 = 5,551.03 : x
2. Step 2: Convert to fraction form
   10,266.75/14,168.12 = 5,551.03/x
3. Step 3: Cross multiply
   10,266.75x = 14,168.12 × 5,551.03
4. Step 4: Simplify right side
   10,266.75x = 78,647,649.12
5. Step 5: Solve for x
   x = 78,647,649.12/10,266.75
6. Step 6: Final answer
   x = 7,660.42