Finding the Fourth Proportional to 13,546.57, 20,297.98 and 5,216.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,546.57 : 20,297.98 = 5,216.83 : x
2. Step 2: Convert to fraction form
   13,546.57/20,297.98 = 5,216.83/x
3. Step 3: Cross multiply
   13,546.57x = 20,297.98 × 5,216.83
4. Step 4: Simplify right side
   13,546.57x = 105,891,111.00
5. Step 5: Solve for x
   x = 105,891,111.00/13,546.57
6. Step 6: Final answer
   x = 7,816.82