Finding the Fourth Proportional to 10,267.20, 14,168.75 and 5,551.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,267.20 : 14,168.75 = 5,551.49 : x
2. Step 2: Convert to fraction form
   10,267.20/14,168.75 = 5,551.49/x
3. Step 3: Cross multiply
   10,267.20x = 14,168.75 × 5,551.49
4. Step 4: Simplify right side
   10,267.20x = 78,657,673.94
5. Step 5: Solve for x
   x = 78,657,673.94/10,267.20
6. Step 6: Final answer
   x = 7,661.06