Finding the Fourth Proportional to 10,269.48, 14,171.87 and 5,553.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,269.48 : 14,171.87 = 5,553.75 : x
2. Step 2: Convert to fraction form
   10,269.48/14,171.87 = 5,553.75/x
3. Step 3: Cross multiply
   10,269.48x = 14,171.87 × 5,553.75
4. Step 4: Simplify right side
   10,269.48x = 78,707,036.90
5. Step 5: Solve for x
   x = 78,707,036.90/10,269.48
6. Step 6: Final answer
   x = 7,664.17