Finding the Fourth Proportional to 10,266.77, 14,168.15 and 5,551.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,266.77 : 14,168.15 = 5,551.05 : x
2. Step 2: Convert to fraction form
   10,266.77/14,168.15 = 5,551.05/x
3. Step 3: Cross multiply
   10,266.77x = 14,168.15 × 5,551.05
4. Step 4: Simplify right side
   10,266.77x = 78,648,109.06
5. Step 5: Solve for x
   x = 78,648,109.06/10,266.77
6. Step 6: Final answer
   x = 7,660.45