Finding the Fourth Proportional to 10,751.43, 14,849.52 and 9,805.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,751.43 : 14,849.52 = 9,805.56 : x
2. Step 2: Convert to fraction form
   10,751.43/14,849.52 = 9,805.56/x
3. Step 3: Cross multiply
   10,751.43x = 14,849.52 × 9,805.56
4. Step 4: Simplify right side
   10,751.43x = 145,607,859.33
5. Step 5: Solve for x
   x = 145,607,859.33/10,751.43
6. Step 6: Final answer
   x = 13,543.12