Finding the Fourth Proportional to 10,891.94, 16,326.86 and 7,382.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,891.94 : 16,326.86 = 7,382.30 : x
2. Step 2: Convert to fraction form
   10,891.94/16,326.86 = 7,382.30/x
3. Step 3: Cross multiply
   10,891.94x = 16,326.86 × 7,382.30
4. Step 4: Simplify right side
   10,891.94x = 120,529,660.03
5. Step 5: Solve for x
   x = 120,529,660.03/10,891.94
6. Step 6: Final answer
   x = 11,065.95