Finding the Fourth Proportional to 10,719.79, 16,079.05 and 3,223.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,719.79 : 16,079.05 = 3,223.18 : x
2. Step 2: Convert to fraction form
   10,719.79/16,079.05 = 3,223.18/x
3. Step 3: Cross multiply
   10,719.79x = 16,079.05 × 3,223.18
4. Step 4: Simplify right side
   10,719.79x = 51,825,672.38
5. Step 5: Solve for x
   x = 51,825,672.38/10,719.79
6. Step 6: Final answer
   x = 4,834.58