Finding the Fourth Proportional to 10,874.78, 16,318.43 and 5,877.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,874.78 : 16,318.43 = 5,877.16 : x
2. Step 2: Convert to fraction form
   10,874.78/16,318.43 = 5,877.16/x
3. Step 3: Cross multiply
   10,874.78x = 16,318.43 × 5,877.16
4. Step 4: Simplify right side
   10,874.78x = 95,905,997.96
5. Step 5: Solve for x
   x = 95,905,997.96/10,874.78
6. Step 6: Final answer
   x = 8,819.12