Finding the Fourth Proportional to 10,997.31, 16,497.23 and 3,206.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,997.31 : 16,497.23 = 3,206.12 : x
2. Step 2: Convert to fraction form
   10,997.31/16,497.23 = 3,206.12/x
3. Step 3: Cross multiply
   10,997.31x = 16,497.23 × 3,206.12
4. Step 4: Simplify right side
   10,997.31x = 52,892,083.02
5. Step 5: Solve for x
   x = 52,892,083.02/10,997.31
6. Step 6: Final answer
   x = 4,809.55