Finding the Fourth Proportional to 10,131.96, 15,157.98 and 7,673.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131.96 : 15,157.98 = 7,673.88 : x
2. Step 2: Convert to fraction form
   10,131.96/15,157.98 = 7,673.88/x
3. Step 3: Cross multiply
   10,131.96x = 15,157.98 × 7,673.88
4. Step 4: Simplify right side
   10,131.96x = 116,320,519.56
5. Step 5: Solve for x
   x = 116,320,519.56/10,131.96
6. Step 6: Final answer
   x = 11,480.55