Finding the Fourth Proportional to 10,675.28, 14,737.59 and 7,144.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,675.28 : 14,737.59 = 7,144.49 : x
2. Step 2: Convert to fraction form
   10,675.28/14,737.59 = 7,144.49/x
3. Step 3: Cross multiply
   10,675.28x = 14,737.59 × 7,144.49
4. Step 4: Simplify right side
   10,675.28x = 105,292,490.69
5. Step 5: Solve for x
   x = 105,292,490.69/10,675.28
6. Step 6: Final answer
   x = 9,863.21