Finding the Fourth Proportional to 10,267.18, 14,168.65 and 5,551.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,267.18 : 14,168.65 = 5,551.45 : x
2. Step 2: Convert to fraction form
   10,267.18/14,168.65 = 5,551.45/x
3. Step 3: Cross multiply
   10,267.18x = 14,168.65 × 5,551.45
4. Step 4: Simplify right side
   10,267.18x = 78,656,552.04
5. Step 5: Solve for x
   x = 78,656,552.04/10,267.18
6. Step 6: Final answer
   x = 7,660.97