Finding the Fourth Proportional to 10,892.90, 16,344.76 and 4,318.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,892.90 : 16,344.76 = 4,318.94 : x
2. Step 2: Convert to fraction form
   10,892.90/16,344.76 = 4,318.94/x
3. Step 3: Cross multiply
   10,892.90x = 16,344.76 × 4,318.94
4. Step 4: Simplify right side
   10,892.90x = 70,592,016.16
5. Step 5: Solve for x
   x = 70,592,016.16/10,892.90
6. Step 6: Final answer
   x = 6,480.55