Finding the Fourth Proportional to 10,687.80, 14,743.98 and 7,537.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,687.80 : 14,743.98 = 7,537.08 : x
2. Step 2: Convert to fraction form
   10,687.80/14,743.98 = 7,537.08/x
3. Step 3: Cross multiply
   10,687.80x = 14,743.98 × 7,537.08
4. Step 4: Simplify right side
   10,687.80x = 111,126,556.78
5. Step 5: Solve for x
   x = 111,126,556.78/10,687.80
6. Step 6: Final answer
   x = 10,397.51