Finding the Fourth Proportional to 10,820.76, 16,234.46 and 5,273.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,820.76 : 16,234.46 = 5,273.31 : x
2. Step 2: Convert to fraction form
   10,820.76/16,234.46 = 5,273.31/x
3. Step 3: Cross multiply
   10,820.76x = 16,234.46 × 5,273.31
4. Step 4: Simplify right side
   10,820.76x = 85,609,340.26
5. Step 5: Solve for x
   x = 85,609,340.26/10,820.76
6. Step 6: Final answer
   x = 7,911.58