Finding the Fourth Proportional to 10,997.25, 16,498.61 and 3,206.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,997.25 : 16,498.61 = 3,206.07 : x
2. Step 2: Convert to fraction form
   10,997.25/16,498.61 = 3,206.07/x
3. Step 3: Cross multiply
   10,997.25x = 16,498.61 × 3,206.07
4. Step 4: Simplify right side
   10,997.25x = 52,895,682.53
5. Step 5: Solve for x
   x = 52,895,682.53/10,997.25
6. Step 6: Final answer
   x = 4,809.90