Finding the Fourth Proportional to 10,828.56, 16,242.98 and 3,808.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,828.56 : 16,242.98 = 3,808.79 : x
2. Step 2: Convert to fraction form
   10,828.56/16,242.98 = 3,808.79/x
3. Step 3: Cross multiply
   10,828.56x = 16,242.98 × 3,808.79
4. Step 4: Simplify right side
   10,828.56x = 61,865,999.54
5. Step 5: Solve for x
   x = 61,865,999.54/10,828.56
6. Step 6: Final answer
   x = 5,713.22