Finding the Fourth Proportional to 10,892.36, 16,345.82 and 3,966.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,892.36 : 16,345.82 = 3,966.86 : x
2. Step 2: Convert to fraction form
   10,892.36/16,345.82 = 3,966.86/x
3. Step 3: Cross multiply
   10,892.36x = 16,345.82 × 3,966.86
4. Step 4: Simplify right side
   10,892.36x = 64,841,579.53
5. Step 5: Solve for x
   x = 64,841,579.53/10,892.36
6. Step 6: Final answer
   x = 5,952.94