Finding the Fourth Proportional to 10,685.48, 16,014.40 and 5,127.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,685.48 : 16,014.40 = 5,127.24 : x
2. Step 2: Convert to fraction form
   10,685.48/16,014.40 = 5,127.24/x
3. Step 3: Cross multiply
   10,685.48x = 16,014.40 × 5,127.24
4. Step 4: Simplify right side
   10,685.48x = 82,109,672.26
5. Step 5: Solve for x
   x = 82,109,672.26/10,685.48
6. Step 6: Final answer
   x = 7,684.23