Finding the Fourth Proportional to 13,152.82, 19,733.83 and 8,216.68

Step by Step Solution

1. Step 1: Write the proportion equation
   13,152.82 : 19,733.83 = 8,216.68 : x
2. Step 2: Convert to fraction form
   13,152.82/19,733.83 = 8,216.68/x
3. Step 3: Cross multiply
   13,152.82x = 19,733.83 × 8,216.68
4. Step 4: Simplify right side
   13,152.82x = 162,146,566.28
5. Step 5: Solve for x
   x = 162,146,566.28/13,152.82
6. Step 6: Final answer
   x = 12,327.89