Finding the Fourth Proportional to 10,892.56, 16,341.30 and 3,967

Step by Step Solution

1. Step 1: Write the proportion equation
   10,892.56 : 16,341.30 = 3,967 : x
2. Step 2: Convert to fraction form
   10,892.56/16,341.30 = 3,967/x
3. Step 3: Cross multiply
   10,892.56x = 16,341.30 × 3,967
4. Step 4: Simplify right side
   10,892.56x = 64,825,937.10
5. Step 5: Solve for x
   x = 64,825,937.10/10,892.56
6. Step 6: Final answer
   x = 5,951.40