Finding the Fourth Proportional to 11,146.12, 16,708.18 and 5,306.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,146.12 : 16,708.18 = 5,306.83 : x
2. Step 2: Convert to fraction form
   11,146.12/16,708.18 = 5,306.83/x
3. Step 3: Cross multiply
   11,146.12x = 16,708.18 × 5,306.83
4. Step 4: Simplify right side
   11,146.12x = 88,667,470.87
5. Step 5: Solve for x
   x = 88,667,470.87/11,146.12
6. Step 6: Final answer
   x = 7,955.01