Finding the Fourth Proportional to 10,629.72, 15,945.18 and 4,056.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,629.72 : 15,945.18 = 4,056.84 : x
2. Step 2: Convert to fraction form
   10,629.72/15,945.18 = 4,056.84/x
3. Step 3: Cross multiply
   10,629.72x = 15,945.18 × 4,056.84
4. Step 4: Simplify right side
   10,629.72x = 64,687,044.03
5. Step 5: Solve for x
   x = 64,687,044.03/10,629.72
6. Step 6: Final answer
   x = 6,085.49