Finding the Fourth Proportional to 10,679.25, 16,009.76 and 7,549.41

Step by Step Solution

1. Step 1: Write the proportion equation
   10,679.25 : 16,009.76 = 7,549.41 : x
2. Step 2: Convert to fraction form
   10,679.25/16,009.76 = 7,549.41/x
3. Step 3: Cross multiply
   10,679.25x = 16,009.76 × 7,549.41
4. Step 4: Simplify right side
   10,679.25x = 120,864,321.15
5. Step 5: Solve for x
   x = 120,864,321.15/10,679.25
6. Step 6: Final answer
   x = 11,317.67