Finding the Fourth Proportional to 10,269.02, 14,171.27 and 5,553.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,269.02 : 14,171.27 = 5,553.30 : x
2. Step 2: Convert to fraction form
   10,269.02/14,171.27 = 5,553.30/x
3. Step 3: Cross multiply
   10,269.02x = 14,171.27 × 5,553.30
4. Step 4: Simplify right side
   10,269.02x = 78,697,313.69
5. Step 5: Solve for x
   x = 78,697,313.69/10,269.02
6. Step 6: Final answer
   x = 7,663.57