Finding the Fourth Proportional to 10,802.43, 16,189.94 and 4,872.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,802.43 : 16,189.94 = 4,872.96 : x
2. Step 2: Convert to fraction form
   10,802.43/16,189.94 = 4,872.96/x
3. Step 3: Cross multiply
   10,802.43x = 16,189.94 × 4,872.96
4. Step 4: Simplify right side
   10,802.43x = 78,892,942.20
5. Step 5: Solve for x
   x = 78,892,942.20/10,802.43
6. Step 6: Final answer
   x = 7,303.26