Finding the Fourth Proportional to 11,381.82, 17,078.01 and 4,809.54

Step by Step Solution

1. Step 1: Write the proportion equation
   11,381.82 : 17,078.01 = 4,809.54 : x
2. Step 2: Convert to fraction form
   11,381.82/17,078.01 = 4,809.54/x
3. Step 3: Cross multiply
   11,381.82x = 17,078.01 × 4,809.54
4. Step 4: Simplify right side
   11,381.82x = 82,137,372.22
5. Step 5: Solve for x
   x = 82,137,372.22/11,381.82
6. Step 6: Final answer
   x = 7,216.54