Finding the Fourth Proportional to 10,726.16, 16,091.52 and 3,330.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,726.16 : 16,091.52 = 3,330.80 : x
2. Step 2: Convert to fraction form
   10,726.16/16,091.52 = 3,330.80/x
3. Step 3: Cross multiply
   10,726.16x = 16,091.52 × 3,330.80
4. Step 4: Simplify right side
   10,726.16x = 53,597,634.82
5. Step 5: Solve for x
   x = 53,597,634.82/10,726.16
6. Step 6: Final answer
   x = 4,996.91