Finding the Fourth Proportional to 10,665.47, 14,720.54 and 6,683.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,665.47 : 14,720.54 = 6,683.72 : x
2. Step 2: Convert to fraction form
   10,665.47/14,720.54 = 6,683.72/x
3. Step 3: Cross multiply
   10,665.47x = 14,720.54 × 6,683.72
4. Step 4: Simplify right side
   10,665.47x = 98,387,860.59
5. Step 5: Solve for x
   x = 98,387,860.59/10,665.47
6. Step 6: Final answer
   x = 9,224.89