Finding the Fourth Proportional to 10,997.73, 16,468.83 and 7,288.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,997.73 : 16,468.83 = 7,288.74 : x
2. Step 2: Convert to fraction form
   10,997.73/16,468.83 = 7,288.74/x
3. Step 3: Cross multiply
   10,997.73x = 16,468.83 × 7,288.74
4. Step 4: Simplify right side
   10,997.73x = 120,037,019.97
5. Step 5: Solve for x
   x = 120,037,019.97/10,997.73
6. Step 6: Final answer
   x = 10,914.71