Finding the Fourth Proportional to 19,640.82, 27,104.05 and 10,808.82

Step by Step Solution

1. Step 1: Write the proportion equation
   19,640.82 : 27,104.05 = 10,808.82 : x
2. Step 2: Convert to fraction form
   19,640.82/27,104.05 = 10,808.82/x
3. Step 3: Cross multiply
   19,640.82x = 27,104.05 × 10,808.82
4. Step 4: Simplify right side
   19,640.82x = 292,962,797.72
5. Step 5: Solve for x
   x = 292,962,797.72/19,640.82
6. Step 6: Final answer
   x = 14,916.02