Finding the Fourth Proportional to 11,638.83, 17,458.28 and 3,205.46

Step by Step Solution

1. Step 1: Write the proportion equation
   11,638.83 : 17,458.28 = 3,205.46 : x
2. Step 2: Convert to fraction form
   11,638.83/17,458.28 = 3,205.46/x
3. Step 3: Cross multiply
   11,638.83x = 17,458.28 × 3,205.46
4. Step 4: Simplify right side
   11,638.83x = 55,961,714.89
5. Step 5: Solve for x
   x = 55,961,714.89/11,638.83
6. Step 6: Final answer
   x = 4,808.19